While many factors leading to female factor infertility are out of a patient’s control (genetics, for example), there are several measures patients can take that will help optimize their chances of conception.

At the forefront is receiving routine gynecological care. During the preconception phase, it is important that the patient have an up-to-date Pap smear and mammogram. Furthermore, the patient should undergo testing for infectious diseases (Hepatitis C, Hepatitis B, syphilis) and immunization status for varicella and rubella and hormones which can affect ovulation (prolactin and TSH). Any fibroids or polyps the patient has should be evaluated to make sure they wouldn’t adversely affect the chances of conception. Also, the patient should be taking essential prenatal vitamins as prescribed by her OB/GYN.

Certain behavioral factors should also be assessed and, in some instances, eliminated prior to trying to conceive. Smoking and drinking should be eliminated and exercise should be moderated. Incorporating a regular exercise program along with a balanced diet is recommended. The diet should include lean proteins, a colorful variety of fresh fruits and vegetables, combined with a limited intake of processed and fatty foods.

Women who are extremely thin or very heavy should seek the help of a nutritional counselor to attain a healthy weight without fad or crash diets. Embarking on a new, strenuous exercise regimen or crash diet just before attempting to become pregnant is not recommended. Medications being taken for preexisting medical conditions should also be evaluated to ensure they won’t compromise a pregnancy.

If the patient requires a fertility specialist, it is recommended the following tests be performed prior to seeing a specialist. This will streamline the diagnosis process and expedite them on their path to proper treatment. This includes testing of the ovarian hormones, follicle stimulating hormone (FSH), Estradiol; a semen analysis (for the male partner) and an HSG (dye study) to assess tubal patency. See more about fertility testing…

Age is a critical factor in the outcome of infertility treatment and it is important for patients to be more proactive the older the patient gets. At Pacific Fertility Center (PFC), our guideline for patients is to seek help from a fertility specialist after: 1 year of trying for women less than 35 years of age; 6 months of adequately timed intercourse or inseminations for women ages 35-39; 3-6 months of trying for women over 39. See more about age and fertility…

Again, time is of the essence when it comes to getting treatment from a reproductive expert, and, keeping that in mind, there are several tests that we do not encourage patients to take prior to seeing an infertility specialist based on their limited usefulness.

They include:

• Post coital test
• Sperm penetration assays
• Endometrial biopsy
• Serum antisperm antibodies
• Cervical cultures
• Laparoscopy
• Autoimmune factors

Ultimately, conceiving through assisted reproductive technology (ART) is a team effort involving the patient, OB/GYN, and fertility specialist, with the process beginning several months before the patient steps foot in an IVF clinic.

Click here for more information on pregnancy preparation.

– Eldon Schriock, MD

Male factor infertility is quite common, contributing to 40% of infertility diagnoses. Treatment is designed around the particular type of problem and can be remarkably effective. For those with male factor infertility, the initial course of action is to review personal health habits. Stress, poor diet, and alcohol use have all been correlated with male factor infertility. Alcohol use, in particular, has been shown to have a dose-related effect on sperm; the more one drinks, the poorer the reproductive outcome. High temperature exposure from hot tubs or hot baths (immersion in hot water), or heavy exercise, particularly bicycle riding, have been correlated with male factor infertility as well. Resting a laptop computer on one’s lap has also been implicated in raising testicular temperature.

Diagnosis of male factor infertility starts with a semen analysis. The semen analysis should be performed on an ejaculated sample collected on at least two occasions 2-7 days following abstention from sexual activity. Measurement of the sperm count, motility, and volume can reveal production problems as insufficient or poor quality sperm are released from the testes. Table 1 lists the standards for assessing a semen analysis (Source: The World Health Organization, 1992).

Additional tests to evaluate sperm quality include the detailed or Krueger morphology. This entails viewing individual sperm cells under a high-powered microscope. This is a strict test that reveals abnormalities in the shape and size of the sperm heads, mid-pieces, and tails. A normal morphology is present when over 14% of sperm are normal.

Survival of the sperm on extended testing is also a useful diagnostic test. The sperm survival test, or SST, is a method for testing the lifespan of the sperm. At 24 hours, sperm survival should be over 40% (i.e. 40% of the sperm sample should survive); conversely, lower survival rates correspond to lower pregnancy rates.

Additional testing for male factor infertility includes a physical exam, blood tests for FSH, prolactin, and testosterone, and an ultrasonography of the collecting tubes of the male reproductive system. In some cases, an assessment of DNA fragmentation can give an index of sperm quality as well.

One condition we encounter at our clinic is azoospermia, which is the absence of sperm in the ejaculate. This can occur from birth defects, injury or infection, or rare endocrine abnormalities. In azoospermia, a high FSH level indicates testicular failure. Insufficient levels of testicular hormones lead to an increase in the release of pituitary gland FSH to compensate. High levels of testicular hormones are often accompanied by testicular atrophy (small testicles). Testicular biopsy may confirm the clinical findings.

Men with testicular failure (and very low sperm counts) should be tested for Y-chromosome microdeletions and abnormal karyotypes, or chromosomal count. Microdeletions may be transmitted to offspring, resulting in fertility problems for boys born after treatment.

The most common abnormal karyotype is Klinefelter Syndrome, where the male has three or more sex chromosomes, instead of the normal two. Such chromosomal defects can have effects on children born after treatment, and men should receive genetic counseling and risk assessment prior to treatment. Men with testicular failure may still have partial sperm production. Detailed assessment with microscopic surgery may detect a sufficient amount of sperm to use with in vitro fertilization (IVF).

Obstruction is another type of male factor infertility, as potentially normal sperm cannot move from the testes to the ejaculate. Men with a normal FSH may have an obstruction in the vas deferens or any of the other collecting tubes that gather sperm from the testes. Men with congenital absence of the vas deferens (CBAVD) may be carriers of cystic fibrosis, and should be tested. Surgical obstruction, or vasectomy, is readily repaired. Microsurgical techniques, and an experienced surgeon, will increase success rates. The procedure may be attempted for many years after an initial vasectomy. More unusual obstructions can result after infection of the epididymis. Ejaculatory duct obstruction can be treated with a cystoscopic procedure. Obstructions can sometimes be repaired, but often a simple needle aspiration procedure (percutaneous epididymal sperm aspiration, PESA) will yield enough sperm to achieve fertilization with IVF.

The key treatment when working with low sperm numbers, whether in the ejaculate or obtained by needle aspiration or biopsy, is to perform in vitro fertilization (IVF) with intracytoplasmic sperm injection (ICSI). ICSI is when a highly trained embryologist uses micromanipulators to inject an individual sperm into an egg, optimizing for fertilization.

ICSI has become a common procedure, resulting in many pregnancies worldwide for men that otherwise could not have children. Sperm with a variety of abnormalities, ranging from low counts, to extremely low motilities, can be suitable for use. The DNA of the sperm is tightly compacted in ways that protect it from injury, even when the other components of the sperm do not function well. Injecting the sperm into the egg can bypass the barriers separating sperm and egg.

Another condition we encounter which can lead to abnormal sperm parameters is the presence of a varicocele. A varicocele is an enlarged vein along the upper part of the scrotum. The blood carried in these veins may elevate the scrotal temperature, and possibly carry toxic materials into the testicle, affecting sperm production. Only varicoceles that are palpable are thought to contribute to infertility. Ultrasound is sometimes used to confirm an uncertain diagnosis, but there is doubt whether subclinical varicoceles are associated with infertility. Varicoceles can be repaired, or various fertility treatments attempted, including sperm wash and insemination, and in vitro fertilization. The decision of treatment depends on both male and female factors, such as age, tubal disease, and ovulation disorders.

In closing, it is important to remember that infertility is not just a “female” issue and that men should engage in lifestyle habits that will not compromise their fertility. Furthermore, advancements in assisted reproductive technology (ART) have given men with infertility diagnoses newfound hope in their quest to build a healthy family.

– Philip Chenette, MD

Question: I’m a heavy coffee drinker, consuming five cups per day. I’m concerned that my addiction to caffeine will hurt my chances of getting pregnant. How much caffeine is acceptable?

Answer: Moderate caffeine intake for women trying to conceive is acceptable. As a general guideline, women trying to conceive should limit intake to 3 cups of coffee (or 300 mg of caffeine) per day (Organization of Teratology Information Services (OTIS) 2001). Results from large published studies have not demonstrated that moderate caffeine intake adversely affects fertility (International Food Information Council (IFIC) August 2002). Furthermore, caffeine consumption has not shown to have an impact on fertility or birth defects for the male partner or sperm donor (OTIS 2001).

For women who are pregnant, there have been several studies analyzing the affect of caffeine and pregnancy with the conclusions of those individual studies being mixed (IFIC August 2002). Keep in mind that if you are pregnant or breastfeeding, the caffeine you consume may transfer to the infant. As such, guidelines for caffeine intake of pregnant or breastfeeding women are a little more rigid. The recommendation by OTIS and Motherisk is that consuming less than 1½ cups of coffee (or 150 mg of caffeine) per day is not likely to increase the chances of miscarriage or a low birth weight baby. The American Academy of Pediatrics states that: “no harm is likely to occur in a nursing child whose mother drinks one cup of coffee a day.”

For more information on the affect of caffeine on fertility, visit the National Toxicology Program-Department of Health and Human Services website. The website provides a more detailed look at some of the clinical studies referenced above. Additionally it provides a chart showing the levels of caffeine in certain food and drinks. This information is available at: http://cerhr.niehs.nih.gov/common/caffeine.html.

– Eldon Schriock, MD

PFC patients often inquire about the use of acupuncture as a part of their infertility treatment, and, as such, PFC brings you insight from Bethany Richardson M.S., L.Ac and Leslie Oldershaw, L. Ac., two Bay Area acupuncturists who integrate fertility treatment into their practices. As background, Bethany Richardson was originally a massage therapist who took a Chinese diagnosis course while working on her Shiatsu certification. That course sparked her interest in pursuing a degree in acupuncture and led her to discover her love for science and the integration of eastern and western medicine. Leslie Oldershaw entered the field of acupuncture after spending her college years dedicated to pre-med courses. She became aware of Chinese medicine as a system of treatment while in college, and it fit perfectly with her passion for eastern philosophy and culture. She had always been interested in women’s health and found that fertility treatment in Chinese medicine truly encompasses all aspects of a woman’s health. Recently, PFC interviewed Leslie and Bethany about their approach to infertility, integrative medicine, and the strengths and weaknesses of acupuncture as a fertility treatment.

PFC: When a patient first comes to you and cites infertility as the reason for their visit, what sort of initial work-up do you do?

Leslie Oldershaw: I do a very comprehensive intake that involves an interview that takes a full medical history. Depending on their history, they may have had labwork done, or I may be ordering tests. From a fertility standpoint I like to see the basic hormone panels, including a cycle day 3 FSH, TSH, Estradiol, and also a mid-luteal progesterone test. If they have done a Clomid Challenge test, I love to see those results. If they have had a HSG or an ultrasound, I like to see that as well. From a general wellness perspective, I need to see a CBC and lipid panel and a comprehensive metabolic panel. When it comes to age, if a patient is younger we can be less aggressive. If a patient is older, we will be more aggressive. If they are 30, I will do this basic work-up, but I will be more inclined to just look at how they do over the next 6 months. If someone who is 40 comes to me, I will recommend that they consult a reproductive endocrinologist. They may want to have more of an accelerated timeline in terms of their treatment options. One of the challenges that I have is that I get patients who don’t want to do the western tests. They don’t want a workup, or the partner doesn’t want to do a semen analysis. I spend a lot of time educating patients to make an informed decision rather than shooting in the dark. I will be more persuasive with my arguments as the patient gets older!

Bethany Richardson: Normally, by the time a patient sees me they have already been to a fertility expert. I ask them to bring in their most current blood work. If they have had an antral follicle count, I want to know what that is. The basal temperature chart gives me a wealth of information. I look at it more in terms of a Chinese diagnosis, not necessarily are they ovulating or when they are ovulating, which is important, but are they running too hot or too cold. It gives me a lot of subtle information from a Traditional Chinese Medicine (TCM) standpoint. If I am looking at a woman who is younger, maybe 31 or 32 years old, then I look at her history of antibiotic use and if they have a history of digestive problems. I look at her menstrual cycle, her PMS, and if she is able to detoxify her hormones correctly. If I am looking at an older woman, I look and see if she is too hot or too cold. Does she have an excess of hormones? I see people mainly when they are desperate. They come to me after two cycles of IVF and want to do everything they possibly can for the next cycle. And unfortunately, I would be more effective if I saw them earlier on, but I do what I can when patients come to me.

PFC: If a patient comes to you and she already knows she must do IVF or IUI to get pregnant, what type of protocols do you offer in conjunction with her fertility treatment?

Leslie Oldershaw: When I work with a patient leading up to the treatment cycle, there are a couple of different protocols we can utilize. The more comprehensive protocol requires 2-4 months and allows you to incorporate nutrition, acupuncture and herbal modalities. We can do a tremendous amount to build a patient up, particularly if they are coming out of a miscarriage. We also work with patients on a shorter timeline, where they might be coming in to work with us a few weeks before an IVF cycle, and then we are primarily relying mostly on acupuncture to promote good blood flow and circulation. We will talk to the patient about nutritional support, including a pre-natal vitamin and omega-3 essential fatty acids. There is not enough research at this point to use fertility medications in conjunction with herbs. If things don’t go as expected the doctor needs to be able to troubleshoot what went wrong. My feeling is that acupuncture is of benefit to everyone. The people for whom acupuncture does not work are the patients who are very needle phobic. And I have to say, my IVF patients are champs. They look at my very small needles and they scoff!

Bethany Richardson: The type of treatment depends where on the continuum they are. I look at whether or not they have done IVF before, and what the results were. Were they a poor responder? How old are they? Sometimes they come to me and they tell me their IVF cycle is in three weeks. I can’t do anything with herbs in three weeks, but I can do some acupuncture. If it is six weeks or eight weeks, then we will have a real protocol. From my perspective the hormones you inject are a very warm tonic, which can burn out your cooling system. Depending on how they react to the injectables, I might try to work with them to take some time off from IVF and load them up with cooling tonics. What I see then is that cervical mucus increases, sleeping patterns regulate and stress levels go down. It’s hard for me to prove that it works, but I honestly believe that it does. Stress management, diet, acupuncture and IVF combined can add up to a much greater level of success.

PFC: What are the strengths and weaknesses of using acupuncture to treat infertility?

Bethany Richardson: It regulates the hormones, helps detoxify the body so you don’t have systemic inflammation, reduces PMS and pain. I think its only downfall is that it takes time. And a lot of the time—women aren’t willing to wait. And that’s where I come in again and say, it’s not a sprint, it’s a marathon. Acupuncture isn’t a golden pill. If you continue to eat poorly and not give your body good nutrients and antioxidants, then I can’t do as much.

PFC: Is there anything you want to add about treating infertility with acupuncture?

Leslie Oldershaw: I have always been keen on integrative approaches. There is a tremendous amount that western medicine can do to help people achieve a pregnancy. But what makes a critical difference for me is the integrative approach. What I am doing with my patients is different than what a Reproductive Endocrinologist does, but together we can work synergistically to create the best outcome.

Bethany Richardson: I am very excited about the future. I am hoping that eventually there will be research money that is earmarked for this arena. Often times acupuncture is seen as competitive with western medicine, and I don’t think it has to be. If we join forces we can be more effective together.

In last month’s issue we introduced our readers to Peggy Orlin, MFT, Pacific Fertility Center’s in-house therapist. This month we interviewed her about the key psychological issues affecting individuals and couples experiencing infertility.

What is the most common reason why someone comes to see you at PFC? At Pacific Fertility Center everyone who uses a known or unknown egg or sperm donor or a gestational carrier is required to meet with me. This is mainly an educational session designed to help people think through and discuss the issues involved with using a third party to assist them in building a family. Each meeting is custom tailored to meet the patient’(s) particular needs.

	Use of a third party for reproduction and its impact on a relationship.
	Attachment to a non-genetically related child.
	Disclosure of third party reproduction to family, friends and the child.
	Choice of meeting or not meeting with the donor.
	Use of a family member or friend as the donor.
	Multiple pregnancy (twins or triplets) and its impact on your lives.
	Support services during and after treatment.

What are some of the other reasons people seek your help?
Some patients have had a failed cycle and are having trouble coping with the losses. Other patients have experienced a miscarriage. Both of these scenarios can leave patients feeling bereft and not sure how to move forward. During a session, I can help them understand the grieving process and we can discuss ways that they might ritualize their loss in order to move forward.

The stress of infertility diagnosis and treatment often brings them to me either at the center or in my private practice. It is important to understand that no two people will have exactly the same experience and that infertility can strongly impact those within a committed relationship. A recent diagnosis of infertility, as well as the stress and/or disappointments of treatment, can lead to feelings of isolation and depression. Additionally, people may experience grief over the loss of fertility choices. It is not uncommon that I am the first person, other than their partner, with whom they discuss their feelings about their infertility challenges.

There are those who are at a critical decision point and are seeking help thinking through their reproductive alternatives. This may include deciding whether or not to do one last IVF, move on to egg donation, select an egg donor or complete their family through adoption or childfree living. In the therapy sessions, we discuss and explore the pros and cons of a decision from the unique perspective of their life beliefs and situation.

Others may need help with developing positive coping mechanisms and stress reduction techniques such as setting aside time each day to discuss infertility with their partner, rather than allowing it to be a constant topic of conversation. We may also discuss how they can reduce their isolation possibly by talking with others who are having similar experiences. We may even explore how to include moderate exercise in their schedule to reduce symptoms of depression.

What is your advice to those who are uncertain whether or not they should see a therapist?
For patients at the clinic, one exploratory visit can be helpful. Their doctor can refer them to me for one free session during which we can discuss any concerns they may have and talk together about whether or not seeing a private therapist might be useful for them. They are not signing on for long-term therapy by talking with me. As with stress reduction techniques-it can’t hurt and it might help.

Could you discuss the Mind/Body@PFC Workshop and who might benefit from attending?
The jury is still out on the connection between stress and infertility. Recent studies indicate that there may be a stronger connection between depression and infertility than between anxiety and infertility. The Mind/Body classes not only teach people simple ways to relax, but the small group class gives them the experience of being in a safe environment with others who are all experiencing infertility and know just what it’s like to be going through infertility treatment. This group experience helps to reduce stress and may be helpful to ease mild depression. (Call 888-834-3095 to register or Click here for more information)

How does your private practice differ from your practice at Pacific Fertility Center?
Clients in my private practice tend to be those who are interested in more than one session. Some stay for a few sessions and some want longer-term therapy. Many are couples who are struggling with how differently they are approaching and/or moving toward resolution of their infertility journey. Sometimes clients are self-referred for infertility issues and then as we meet, they chose to move on to other issues in their relationship or their lives. Although I have a specialty with infertility patients, my private practice is with adults experiencing all types of distress.

Depression frequently accompanies infertility. When should someone seek a therapist?
The experience of symptoms of depression which last more than a couple of weeks is an important reason to set up an appointment with me or a therapist of your choosing. Remember, everyone will feel some of these symptoms, some of the time. They become a problem when the number and intensity of symptoms increase and/or don’t abate.

Symptoms of depression:
Feelings of emptiness or extreme sadness
Loss of interest and motivation to do regular activities
Increased level of anxiety
Decreased level of energy
Difficulty sleeping or sleeping more than usual
Difficulty concentrating
Abnormal weight loss or gain
Obsessive thinking about your infertility
Feelings of isolation from friends and family
Extreme and persistent feelings of anger
Persistent thoughts of death or suicidal thoughts or attempts
Persistent feelings of inadequacy, or worthlessness

What is the best way to make an appointment with you?
PFC patients phone the front desk at (415) 834-3000 and ask to set up an appointment. Those who prefer to see me outside PFC can make an appointment for a visit at either my San Francisco or Berkeley office by calling (510) 528-2750.

– Peggy Orlin, M.S., M.F.T.

Exercise and diet improvements are excellent enhancements to fertility therapy. There is evidence of a reduced risk of diabetes, high blood pressure, and pre-eclampsia in women who exercise in pregnancy. Some reports have identified a greater sense of well-being, shorter labor and fewer obstetric interventions in physically well-conditioned women. The standard recommendation by the Centers for Disease Control and Prevention, as well as the American College of Sports Medicine suggests that a minimum 30 minutes or more of moderate exercise per day, every day of the week, is ideal for pregnant women. The American Academy of Family Physicians and the American College of Obstetricians and Gynecologists (ACOG) endorse this 30 minutes per day recommendation.

In addition to physical benefits, gentle to moderate exercise is a healthy way to control the stress related to dealing with infertility diagnosis and treatment, but not all exercise is beneficial.

Level of Exercise
Everyone has a different level of exercise at which point it interferes with fertility. There is risk that the biological stress associated with exercise may induce ovulation problems and can, at times, increase the risks associated with fertility treatment. Maintaining or initiating a well balanced diet is important. This includes diverse nutrients (complex carbohydrates, balanced protein, low fat), a vitamin supplement and adequate hydration, especially during periods of exercise. Weight should be monitored: if weight loss occurs, intake should be increased; if weight gain occurs, intake should be evaluated and revised accordingly. Rapid weight gain or loss is not recommended.

Extreme exercise may affect fertility in both men and women. Serious athletes may have to add more calories to ward off fertility problems. Individual evaluation by a physician is recommended for those who are in a rigorous exercise program and concerned about their fertility.

If a woman has an established exercise program prior to treatment, that level of activity may be maintained and continued with some minor modifications and reasonable precautions.

If a woman has not begun an exercise program prior to treatment, a gentle start is advised such as walking or swimming 15 to 30 minutes, three days a week. A slow and steady increase in duration and frequency can be accomplished over a period of several weeks. A good guideline to follow is if it is difficult to carry on a conversation, slow down. For those starting a new program and can afford the luxury of a professional trainer, working with one who has expertise in exercise during pregnancy is a great way to begin.

Heavy exercise spurts followed by long periods of no activity is not recommended. Gentle to moderate, regular exercise is best.

Modifications to Exercise During Infertility Care
Generally, it is safe to assume that if an activity is uncomfortable, don’t do it, especially when considering discomfort in the region of the ovaries. Near the end of an IVF cycle and for a month after, avoid jostling tender ovaries and activities where even slight injury to the abdomen may occur. Ovaries are enlarged and may be uncomfortable when being jostled. Aside from causing discomfort, there is an increased risk of ovarian torsion, particularly after 5-7 days of gonadotropins. Bouncing exercises to avoid include vigorous step aerobics and running. Less traumatic, low impact exercises, such as walking, yoga, Pilates, swimming, are preferred.

A general rule of thumb is to aim for a target heart rate of 120-130 from stimulation day 8 to one week post transfer.

Contact sports or other activities that may increase the chance of bumping or hitting the abdomen or increase the risk of a fall such as horseback riding, vigorous racquet sports and downhill skiing should be avoided.

Avoid overheating especially during exercise; this includes hot tubs, hot yoga and exercising during very hot days.

Avoid conditions that limit oxygen availability especially during aerobic exercise; hiking up to a 6000 feet altitude is an acceptable limit.

Scuba diving is absolutely not recommended.

These are general guidelines, however, everyone’s level of comfort and physical condition is unique. It is always recommended patients discuss their exercise regimen with their physician.

– Philip Chenette, MD

Considering prenatal diagnosis once pregnancy is achieved is an important and complex decision. Although there are a wide variety of screening options available, prenatal diagnosis is the most accurate method for detecting chromosome abnormalities, such as Down syndrome. Diseases like cystic fibrosis, Tay-Sachs, sickle cell anemia, and thalassemias can be tested for if the parents are known to be carriers for these genetic diseases. Because prenatal diagnostic testing allows genetic experts to test placental cells directly, the results are diagnostic and specific for the fetus.

There are two different prenatal diagnostic tests, chorionic villus sampling (CVS) and amniocentesis. CVS is a procedure in which a small amount of tissue (chorionic villi) is obtained from the developing placenta at approximately 10-13 weeks of pregnancy. The tissue is then evaluated for chromosome abnormalities, and if indicated, specific genetic diseases. The primary advantage to CVS is that this test can be performed much earlier in pregnancy than amniocentesis. However, CVS does not detect neural tube defects (spina bifida, meningomyelocele or anencephaly). Therefore, patients who opt to pursue CVS undergo an AFP blood test and a high-resolution ultrasound later in pregnancy to screen for these defects. Also, approximately one percent of all CVS results will show a mixture of normal and abnormal chromosomes, which is called mosaicism. The majority of the fetuses in these pregnancies are normal, however additional testing, including amniocentesis, may be indicated.

CVS can be performed one of two ways depending on the location of the placenta within the uterus. The transcervical method is performed by inserting a thin catheter, guided by ultrasound, through the vagina and cervix to reach the chorionic villi. The transabdominal method is similar to amniocentesis. Using ultrasound, a thin needle is inserted through the mother’s abdominal wall to obtain a small amount of tissue. In either case, this placental tissue is then sent for analysis.

Amniocentesis is typically performed between 16-20 weeks of pregnancy. Under ultrasound guidance, a thin needle is inserted through the mother’s abdominal wall into the amniotic fluid surrounding the fetus. A small amount of fluid is then taken and analyzed for chromosome abnormalities, neural tube defects, and if indicated, specified genetic diseases. The main benefit to amniocentesis is that although it is performed later in pregnancy, it is possible to test for genetic disorders, including chromosome abnormalities and specific genetic diseases, AND neural tube defects, such as spina bifida, all at once.

Whether patients choose CVS or amniocentesis, it is possible to obtain the same information with either procedure. However for patients who choose CVS, it is necessary to do a follow up blood test and detailed ultrasound in the second trimester to rule out neural tube defects. It should be noted that the results from this blood test and ultrasound are not as conclusive on neural tube defects as the results from an amniocentesis. Because both procedures are considered invasive, meaning that it is necessary to enter the womb with either a needle or a catheter in order to obtain cells, there is a small risk of miscarriage due to the procedures. The risk for either CVS or amniocentesis is approximately 1/200. Diagnostic results from either procedure take about ten days to be completed.

Regardless of whether you are considering CVS or amniocentesis, genetic counseling is an important step in your overall decision-making process and in assessing your risk factors for genetic disorders. Genetic counselors are available to discuss in further detail the benefits, limitations, and risks for prenatal diagnostic testing in order for you to make the best decision for you and your family.

– Kendall Glynn, MS, CGC, Certified Genetic Counselor, California Pacific Medical Center

The trend towards using more laptop computers in public places and airports will continue to grow as wireless internet access “hot spots” proliferate. This year laptop use in the U.S. is projected to grow to 60 million users. Additionally, laptops are also increasing their heat output with ever-faster processing power. Which begs the question: are we staring at a potential cause of male infertility without even knowing it?

It is well known that healthy sperm are produced ideally at a testicular temperature of 2 – 4 ºC below body temperature. Established studies have revealed a considerable decline in healthy sperm production – up to 40 % – resulting from scrotal or testicular temperature increases as small as 1 ºC. A long-term decline in sperm quality over several decades has also been identified by at least seven research studies, although definitive causes have yet to be determined. Given this, it was only a matter of time before the connection between laptops and infertility would be examined.

As reported in Human Reproduction, Vol.2, 2005, a group of scientists at State University of New York, Stony Brook embarked upon a research study monitoring the scrotal temperature change in 29 healthy male volunteers, median age 24, from laptop computer use. The researchers used two different types of laptop computers and randomly measured their thermal effect on the scrotum by using right and left scrotal temperature gauges in two separate 60 minute sessions.

They recorded scrotal temperature increases averaging 2.6 – 2.8º C.

The heat emitted by the laptops appears to be a factor, but curiously not the solo factor. The researchers also directed the study participants to sit upright without the laptop, but with their knees tightly pressed together. After sitting this way for an hour, researchers recorded their scrotal temperature, which increased on average 2.1 ºC.

This initial study may prompt further research seeking a more definitive link between laptop use and infertility, or it simply may be added to the myriad considerations of exogenous scrotal heat exposure related to lifestyle. In this same category are prolonged driving and sedentary sitting. Naturally this study calls for prudent use of laptops by men trying to become fathers while weighing in on how modern life in all of its ramifications might be boosting scrotal temperature and causing an overall decline in sperm count.

A woman trying to get pregnant doesn’t need the added stress of wondering if her breast milk carries any toxic synthetic chemical residues from everyday items or environmental pollution.

Besides methylmercury in fish, there are chemical residues found in fire retardants in the foam of that gorgeous new couch, organochlorines in common garden pesticides and anti-wrinkle agents in new clothes. Some residues are benign, and wash through the body; others linger, and through persistent exposure, can show up in blood, fatty tissue and breast milk.

Although the cumulative effects of these so-called bioaccumulators are actively being studied, there are good reasons not to panic. First, not all chemicals that enter a woman’s body persist. Many residues are attracted to water rather than fat, and will exit the body through urination.

Second, there is a global movement of activists and scientists working to recognize that women and their children have a fundamental right to clean breast milk. The most problematic pollutants have already been identified, and health activists are determined to stop exposure. In August 2003, they were victorious when California legislators passed a law to ban a class of chemicals used in common fire retardants known as PBDEs that were showing up in large amounts in breast milk.

Finally, some experts concur that the health benefits of breast feeding outweigh the potential negative impacts of low-level lingering chemicals in the breast milk. Some studies have even shown that breast milk can reverse some of the negative effects of low-level fetal exposure to toxic chemicals.

If you are inclined to get more involved in this topic, keep abreast of California State Senator Deborah Ortiz’s legislative initiative SB1168 Biomonitoring Program. This pilot program would enable target women to be tested for the presence of harmful chemicals, and it would represent the first statewide initiative of its kind.

Many women of child bearing age are wondering which fish to buy to get those beneficial omega-3 fatty acids without poisoning themselves or eating the last of some endangered species.

Higher intakes of the omega-3 fatty acids, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), appear to decrease the risk for hypertension, atherosclerosis, type 2 diabetes, and some inflammatory diseases. DHA decreases the likelihood of premature birth, and is key to normal brain, retinal and possibly testicular development in fetuses.

Mackerel, herring, salmon, halibut and tuna have the greatest amounts of EPA and DHA, but caution is advised.

Some seafood contains significant amounts of methylmercury (meHg), which is toxic to the nervous system and may negate the cardiac benefits of fish. Large scale mercury poisonings 30-40 years ago in Japan and Iraq resulted in infants with cerebral palsy, mental retardation, developmental delay, seizures, blindness, and hearing impairment. While some mothers of affected infants were asymptomatic others showed toxic effects including fatigue, muscle and joint pain, headaches, hair loss, impaired memory and concentration, numbness, loss of peripheral vision, blindness, decreased coordination, difficulty walking, kidney failure, and death.

Research in monkeys has revealed that the reproductive effects of meHg include sperm toxicity, decreased pregnancy rates and increased miscarriages and stillbirths. Human studies describe higher mercury levels in couples experiencing infertility than in fertile couples. In ongoing studies, measurable decreases in intelligence and evidence of learning disabilities have been tied to methylmercury in children of some, but not all fish eating populations.

Toxic amounts of mercury rain down from skies polluted by the burning of coal and leach into waterways from old gold and mercury mines, including one in Marin near Tomales Bay. Bacteria convert the inorganic mercury to meHg, which then increases in concentration in organisms as it moves up the food chain. The human intestine absorbs 95% of ingested meHg, and then the body slowly excretes it over a period of months. Unfortunately, ingested methylmercury can show up in breast milk.

In 2000 the National Academy of Sciences (NAS) set the maximum acceptable daily meHg intake at 0.1 mcg/kg of body weight although some scientists have proposed an even lower threshold. Others have used a weekly or monthly intake guideline, which permits higher intake on any individual day, but limits the amount of fish eaten per week.

The San Francisco Chronicle recently sponsored an analysis of locally purchased fish, which revealed that a 120 lb. person could easily ingest 4 to 40 times her daily allowable intake of meHg by choosing popular fish including swordfish, halibut, Chilean sea bass, and ahi tuna. In separate tests white albacore tuna exceeded the NAS standard by 11 fold and chunk light by 3 to 4 fold.

Consistent with these findings is the report published last year by San Francisco physician Jane Hightower. She found that 66 of her female patients had an average blood meHg level three times the maximum recommended by the National Academy of Sciences (NAS). Many were symptomatic as were some of the children she studied. Agreement on what constitutes “safe” levels of exposure for pregnant women is still pending the outcome of ongoing studies. New data indicate that blood mercury concentrations are higher in the umbilical cord than in the mother and consequently, that 16% of infants are exposed to excessive mercury levels before birth. At an EPA conference in January a new maximum daily meHg intake for pregnant women of 0.07 mcg/kg was proposed.

The FDA has issued a warning that women who might become pregnant should avoid shark, swordfish, king mackerel and tilefish and PFC would add white albacore tuna. By not eating swordfish, shark and tuna, you’re not only protecting yourself but also these threatened species (www.montereybayaquarium.org). Also, many fish from Northern California waterways should not be eaten by women of childbearing age because of mercury or PCB contamination (www.oehha.ca.gov/fish.html).

Beth Schriock, MD, a pediatric endocrinologist, is PFC’s Clinical Research Coordinator. She has a keen interest in the environment’s impact on human health.