Prepared by Prof. Dr. Mehmet Çınar (Obstetrics and Gynecology, IVF and Endoscopic Surgery).
Polycystic Ovary Syndrome (PCOS) is a common hormonal disorder among women of reproductive age, affecting millions worldwide. Manifesting with symptoms such as irregular menstrual cycles, acne, hirsutism, and weight gain, this syndrome can also impact a woman's chances of pregnancy, which is a major concern for many. However, PCOS is not a barrier to pregnancy. Thanks to advancements in medical technologies and personalized treatment approaches, many women with Polycystic Ovary Syndrome can experience a healthy pregnancy. As Ankara IVF Center, we are here to guide you through this process and offer the most suitable treatment methods. In this article, we will delve into ways to increase your chances of pregnancy with PCOS.
What is PCOS and What Causes It?
Polycystic Ovary Syndrome (PCOS) is a complex endocrine disorder that leads to hormonal imbalance in women. The term "polycystic" refers to the presence of numerous small, benign cysts (follicles) in the ovaries. However, having cysts does not necessarily mean a woman has PCOS, and these cysts are generally harmless. The underlying issues in PCOS are the ovaries producing more male hormones (androgens) than normal and insulin resistance.
While the exact cause of PCOS is not fully understood, a combination of genetic and environmental factors is thought to play a role:
- Genetic Predisposition: Women with a family history of PCOS have a higher risk of developing the syndrome.
- Insulin Resistance: This is a condition where the body's cells don't respond adequately to insulin. The pancreas produces more insulin to regulate blood sugar, and high insulin levels can cause the ovaries to produce more androgens, which in turn inhibits ovulation.
- High Androgen Levels: Elevated levels of male hormones prevent the ovaries from regularly releasing eggs, leading to menstrual irregularities and other symptoms.
- Low-Grade Inflammation: Some research suggests that low-grade chronic inflammation in women with PCOS may contribute to hormonal imbalances.
The combination of these factors prevents the ovaries from regularly releasing mature eggs (anovulation or oligo-ovulation), consequently making conception more difficult.
Symptoms and Diagnosis
PCOS can manifest with a wide range of symptoms in women, and not every woman will experience the same severity or number of symptoms. The most common symptoms include:
- Irregular Menstrual Cycles: This is the most prominent symptom. It can manifest as infrequent periods (oligomenorrhea), absence of periods (amenorrhea), or prolonged, heavy bleeding. This condition stems from irregular or absent ovulation.
- Excess Hair Growth (Hirsutism): Increased male-pattern hair growth on areas like the face, chest, back, and abdomen due to high androgen levels.
- Acne and Oily Skin: Increased androgens can cause sebaceous glands in the skin to become overactive.
- Hair Loss (Androgenic Alopecia): Receding hairline or thinning hair on the crown of the head may be observed.
- Weight Gain and Difficulty Losing Weight: Fat accumulation, particularly around the abdomen, is common and can be linked to insulin resistance.
- Ovarian Cysts: The presence of numerous small follicles in the ovaries observed during ultrasonography.
- Infertility: Difficulty achieving pregnancy due to irregular or absent ovulation.
PCOS is typically diagnosed through a combination of symptom evaluation, physical examination, blood tests, and ultrasonography. According to the international Rotterdam criteria, a diagnosis of PCOS can be made if at least two of the following three criteria are present:
- Infrequent or absent menstruation (ovulatory dysfunction).
- Clinical (hirsutism, acne) or biochemical (high androgen levels in blood tests) signs of excess androgen.
- Polycystic ovarian morphology on ultrasound (presence of 12 or more follicles measuring 2-9 mm in each ovary, or increased ovarian volume).
During the diagnostic process, it is also important to rule out other hormonal disorders that may cause similar symptoms.
Lifestyle Changes
Lifestyle changes play a critical role in managing PCOS and increasing the chances of pregnancy. In fact, they often constitute the first-line treatment approach. These changes can help improve hormonal balance, reduce insulin resistance, and promote regular ovulation.
- Healthy Diet:
- Low Glycemic Index (GI) Diet: Foods that slowly raise blood sugar should be preferred. Whole grains, legumes, vegetables, fruits, and healthy fats should be consumed. Processed foods, refined sugar, and saturated fats should be avoided.
- Protein and Fiber-Rich Foods: Increase satiety and help balance blood sugar.
- Small, Frequent Meals: Can prevent sudden fluctuations in blood sugar.
- Regular Exercise:
- It is recommended to exercise at moderate intensity (e.g., brisk walking, swimming, cycling) for at least 30 minutes on most days of the week.
- Exercise increases insulin sensitivity, facilitates weight loss, and supports overall hormonal balance.
- Resistance exercises aimed at increasing muscle mass are also beneficial.
- Weight Management:
- For overweight or obese women with PCOS, losing just 5-10% of body weight can regulate menstrual cycles, restore ovulation, and significantly increase the chances of pregnancy.
- Weight loss reduces insulin resistance and lowers androgen levels.
- Stress Management:
- Chronic stress can negatively affect hormonal balance. Managing stress through methods such as yoga, meditation, breathing exercises, or engaging in hobbies is important.
- Adequate Sleep:
- Quality and sufficient sleep are crucial for hormonal balance and insulin sensitivity.
These lifestyle changes not only increase the chances of pregnancy but also play a significant role in reducing long-term health risks associated with PCOS (type 2 diabetes, heart disease).
Ovulation Induction and IVF
When pregnancy is not achieved despite lifestyle changes, or when additional factors are present, medical treatments are pursued. PCOS offers various treatment options for pregnancy, and these options generally progress from simpler to more complex.
Ovulation Induction
The most common problem encountered in women with PCOS is irregular or absent ovulation. Therefore, one of the first-line treatments is ovulation induction.
- Oral Medications: These are generally the first-choice treatment. These medications aim to stimulate egg development and release by increasing the secretion of ovarian-stimulating hormones from the brain. They are used under medical supervision and with regular monitoring.
- Injectable Gonadotropins: In cases where oral medications are ineffective or unsuitable, injectable hormonal drugs that directly stimulate the ovaries may be used. Close monitoring of this treatment is critically important to prevent Ovarian Hyperstimulation Syndrome (OHSS).
Intrauterine Insemination (IUI)
For couples who achieve regular ovulation with ovulation induction but do