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Friday, October 19, 2007

More about PCOS

****Not my ovary******

Polycystic ovary syndrome - PCOS In the entire field of reproduction and infertility, no topic has as many myths and misconceptions associated with it as polycystic ovary syndrome - PCOS. Even its name causes confusion. Is it PCO or polycystic ovary disease (PCOD) or polycystic ovary syndrome (PCOS)? Since the name includes the word "polycystic" does that mean that all women with this problem have cysts in their ovaries?

What's in a name? Syndrome: A group of signs and symptoms that occur together and characterize a particular abnormality. Disease: A pathological condition of the body that presents a specific and consistent group of clinical signs, symptoms, and laboratory findings peculiar to it and setting the condition apart as an abnormal entity differing from other normal or pathological conditions. The problem we are talking about then is not a disease. It is a syndrome. Not all women with polycystic ovary syndrome (PCOS) will present the same way or have the same symptoms or laboratory findings. Confused? For example, take the disease cystic fibrosis. All individuals with cystic fibrosis have the same underlying problem which is a mutation in the cystic fibrosis gene. In polycystic ovary syndrome (PCOS), on the other hand, there isn't any one common factor that identifies all women as having polycystic ovary syndrome (PCOS).

What signs and symptoms can be found in women with polycystic ovary syndrome (PCOS)?

Ovulation problems: Anovulation -No ovulation at all, Oligo-ovulation- Infrequent or irregular ovulation. Irregular menstrual cycles (results from not ovulating regularly), Amenorrhea:-Women does not get any periods at all, Oligomenorrhea- Infrequent periods, Hypermenorrhea-
Periods that occur too frequently, Menorrhagia- Heavy periods and/or those that last for many days or weeks, Metorrhagia- Bleeding or spotting that occurs in between apparently normal periods.

Insulin resistance: The body does not respond to the hormone insulin as it normally should. Insulin's primary function is to keep the levels of blood sugar under control. On laboratory tests, insulin resistance may not show up at all. If it does, it may appear in one or more of the following ways: High fasting insulin levels, Low glucose to insulin ratio, High triglyceride levels.* Insulin resistance may lead to diabetes so laboratory findings consistent with diabetes can also be found in polycystic ovary syndrome (PCOS).

Hyperandrogenism: Androgens are what most people think of as "male" hormones. This is incorrect. All people have androgens. Males typically have levels that are much higher than women. However, women with polycystic ovary syndrome (PCOS) have slightly elevated levels of androgens. Elevated androgen levels can result in the development of some signs and symptoms in women; Hirsutism -Unwanted hair growth. Usually on the lip, cheeks, chin, neck, in between the breasts, beneath the umbilicus(belly button), Acne, Alopecia-Male pattern hair thinning and loss. On laboratory evaluation, hyperandrogenism may not show up at all. If it does, it may be seen in high levels in one of the following tests: Total testosterone, Free testosterone, Dihydrotesterone (DHT)3, alpha glucuronide (3AG), Androstenedione, DHEAS (dehydroepiandosterone sulfate).* There are numerous other androgen levels that may be elevated but these are not usually looked at in clinical medical practice). Androgen levels can be elevated in other types of problems besides polycystic ovary syndrome (PCOS). These other problems should be ruled out before someone is given a diagnosis of polycystic ovary syndrome (PCOS). The most common of these problems is called congenital adrenal hyperplasia (CAH).

Ultrasound findings: Some women with polycystic ovary syndrome (PCOS) may have one or more of the following findings: Enlarged ovaries, Large number (>10) of tiny follicles (cysts) just under the surface of the ovaries, The center of the ovaries is echogenic (highly reflective on ultrasound), and with very few follicles seen. Women with ultrasound findings are said to have polycystic appearing ovaries (PAO). IMPORTANT:Not all women with polycystic ovary syndrome (PCOS) have polycystic appearing ovaries (PAO). Not all women with polycystic appearing ovaries (PAO) have polycystic ovary syndrome (PCOS). In fact, many normal women with regular ovulation have polycystic appearing ovaries (PAO).

Miscellaneous laboratory findings: These laboratory findings can be found in some women with polycystic ovary syndrome (PCOS). Many women with these findings may not have polycystic ovary syndrome (PCOS). Elevated prolactin levels, High levels of luteinizing hormone (LH), High ratio of LH:FSHHigh levels of inhibin-B, High levels of plasminogen activator inhibitor -1 (PAI-1)

Health risks associated with polycystic ovary syndrome (PCOS): Women with polycystic ovary syndrome (PCOS) seem to have certain health problems more frequently than you would expect in the general population. It is thought that these problems are either caused by polycystic ovary syndrome (PCOS) or that they have the same underlying cause as polycystic ovary syndrome (PCOS). These include: Hypertension, Type II Diabetes, Coronary artery disease, Endometrial cancer (cancer of the lining of the uterus) It is not specific to polycystic ovary syndrome (PCOS), however. Any problem which causes a woman not to ovulate is associated with a higher risk of endometrial cancer.

Pregnancy risks associated with polycystic ovary syndrome (PCOS): Gestational diabetes (diabetes that occurs during pregnancy), Pregnancy induced hypertension (PIH), Preeclampsia, Preterm birth Babies from PCOS mothers have a higher rate of admission to the neonatal intensive care unit, Babies from PCOS mothers have a higher rate of perinatal death. The perinatal mortality rate is the combination of two separate death rates: antenatal mortality, which is defined as the death of a fetus after the 20th week of pregnancy but before delivery, plus neonatal mortality which is the death of a baby up to 28 days after birth. Contrary to popular belief, a recent analysis has found that PCOS patients do not have a higher risk of miscarriage than non-PCOS infertility patients. ****** MY RE SAYS OTHERWISE

Treatment of polycystic ovary syndrome (PCOS): There isn't one treatment for polycystic ovary syndrome (PCOS). The type of treatment is dependent on the symptoms that a woman has and her specific desires at that point in her life. Specific goals of treatment might include: Promotion of fertility, Desire for regular menstrual cycles, Reduction of acne, unwanted hair growth or hair loss, Reduction of other health risks associated with polycystic ovary syndrome (PCOS).

Fertility treatment: Treatment of insulin resistance Can be accomplished by:
Weight loss Even modest amounts of weight loss have been shown in clinical studies to improve the chance for ovulation and pregnancy. IMPORTANT: There is no data that low carbohydrate diets are better for women with polycystic ovary syndrome (PCOS) than any other kind of diet. ******* MY RE SAYS OTHERWISE. Exercise, Particularly aerobic exercise increase the utilization of glucose by the muscle and reduce insulin resistance. Medication- There are several medications available by prescription that work by reduction of insulin resistance and have been shown in medical studies to increase the chance for ovulation and pregnancy, like glucophage. Alternatives to glucophage for treating insulin resistance.

Use of fertility medications: Clomiphene citrate: Women with polycystic ovary syndrome (PCOS) do not respond to clomiphene citrate with the same success as other women. This has been called clomiphene resistance. There have been many methods attempted to reduce the chance for clomiphene resistance and include: Increasing the dose of clomiphene citrate, Prolonging the duration of clomiphene administration, Adding insulin resistance medications, Adding dexamethasone, Adding naltrexone.

Aromatase inhibitors: Aromatase inhibitors such as letrozole work in a similar fashion as clomiphene citrate. There is far less medical data that has looked at letrozole and its chances for success. Some small studies indicate that letrozole may be more effective than clomiphene citrate

Gonadotropins: Women with polycystic ovary syndrome (PCOS) respond to these injectable fertility medications with a very high percentage of ovulation. However, polycystic ovary syndrome (PCOS) patients are more prone to the problems of gonadotropins such as ovarian hyperstimulation syndrome (OHSS)

Surgery: Ovulation problems in women with polycystic ovary syndrome (PCOS) can also be treated be destroying or removing portions of the ovaries. In the medical literature, there have been several methods described for doing this including: Wedge resection, Multiple ovarian cystotomy, Ovarian diathermy. The benefits of surgery include the avoidance of OHSS and multiple pregnancy.

Treatment of polycystic ovary syndrome (PCOS) without concern for fertility: Treatment of the other problems associated with polycystic ovary syndrome (PCOS) involve methods to restore normal menstrual cycle pattern and reduce the effect of high androgens. Hormonal contraceptives are commonly used for this purpose. More recently insulin resistance medications have been used. The combination of these two medications provides a potent one two punch for the treatment of polycystic ovary syndrome (PCOS).

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