What is PCOS?

Polycystic Ovary Syndrome often referred to as PCOS, is the leading cause of infertility in women. It affects many teen girls and is the most common hormonal disorder among women of reproductive age. Every woman with PCOS may be affected differently. To prevent PCOS or to avoid the condition from becoming worse, every woman should be well aware of PCOS.

The ovaries may develop numerous small collections of fluid (follicles) and fail to regularly release eggs.

The condition was named after finding enlarged ovaries containing numerous small cysts (polycystic ovaries). The ovaries may develop a large number of small collections of fluid (follicles) and fail to release eggs regularly.

Although the majority of women with polycystic ovarian syndrome have polycystic ovaries, some do not. PCOS is also known as Stein-Leventhal syndrome and Polycystic Ovarian Disease.

PCOS is a common endocrine system disorder among women of reproductive age. In simple terms, it is a common hormonal disorder seen in a woman in which the levels of sex hormones estrogen and progesterone are out of balance. This leads to the growth of ovarian cysts and affects women’s menstrual cycle, fertility, cardiac function, and appearance.

Women with infrequent or prolonged menstrual periods, excess facial and body hair, acne, and obesity may raise suspicion for the condition. Polycystic means “many cysts”. As hormonal imbalance leads to the growth of cysts on the ovaries, the condition is named “Polycystic Ovary Syndrome”.

Pathophysiology of PCOS

Large numbers of small, cyst-like ovarian follicles are resistant to normal growth signals and therefore are unable to release eggs. Luteinizing hormone (LH), androgen, and insulin levels may be elevated and can correlate with acne, excess hair growth, abnormal blood sugar metabolism, or diabetes.

What Causes PCOS?

Though the exact cause of PCOS is not known, doctors believe that hormonal imbalances and genetics play an important role. PCOS runs in families, so women are at higher risk if other women in their family have it or have irregular periods or diabetes. It can be passed to women either from their mother’s or father’s side.

  • It has been demonstrated that the ovaries of women with PCOS may produce excessive amounts of male hormones, or androgens, causing disruptions in the menstrual cycle and impaired fertility.
  • Insulin resistance or an impaired utilization of insulin is likely related to PCOS.
  • The presence of small cysts in the ovaries are not specific to PCOS, as women without PCOS may have ovarian cysts. As a result, cysts are unlikely to be the cause of PCOS symptoms.

What are the Symptoms of PCOS?

The signs and symptoms of PCOS often begin soon after a woman begins to get her first menstrual cycle. In some cases, it develops later during the reproductive years, in response to weight gain and other medical conditions. Though the type and severity of symptoms vary from woman to woman, the most common characteristic of PCOS is irregular menstrual periods. But the other symptoms include:

PCOS signs and symptoms frequently appear shortly after a woman begins her first menstrual cycle. Sometimes, it appears later in life during the reproductive years as a result of weight gain or other medical conditions. Though the type and severity of symptoms may vary from woman to woman, irregular menstrual periods are the most common feature of PCOS. But the other symptoms include:

  • Acne: Excess androgens can also lead to acne and male pattern balding.
  • Obesity-PCOS is also associated with insulin resistance, weight gain, and obesity. According to reports, approximately one-half of women with PCOS are obese. Insulin resistance, accompanied by elevated blood insulin levels, occurs in the majority of women with PCOS, regardless of obesity. PCOS is associated with risk of developing type 2 diabetes in women.
  • Pelvic pain
  • Infertility-Menstrual cycles may be normal at first and then become irregular. The menstrual irregularities in PCOS women are accompanied by a lack of ovulation, and the women may experience infertility.
  • Depression
  • Hair loss
  • Excessive hair on the face and body: In PCOS, an increase in androgen (male hormone) production by the ovaries may result in excess hair growth in areas resembling a male pattern, a condition known as hirsutism. Thick hair growth occurs on the upper lip, chin, around the nipples, and on the lower abdomen.
  • Decrease in breast size
  • Absence or reduction in ovulation
  • Uterine bleeding: Women suffering from PCOS have lower levels of the hormone progesterone (normally produced in the second half of the menstrual cycle). This can stimulate the growth of the endometrium (uterine lining tissues), resulting in dysfunctional uterine bleeding and breakthrough bleeding. Increased endometrial stimulation in the absence of progesterone production is a risk factor for the development of endometrial hyperplasia and uterine cancer.


How is PCOS Diagnosed?

To diagnose PCOS, the doctor will review the patient’s medical history and symptoms and perform some tests to rule out other possible conditions. A physical and pelvic examination is done to look for signs of PCOS, such as swollen ovaries or a swollen clitoris. The other tests include:

  • Blood tests to measure sex hormone levels
  • Thyroid function tests
  • Fasting glucose tests
  • Lipid level tests

There's no test to definitively diagnose PCOS. A physical exam is done for signs of excessive hair growth, insulin resistance, and acne.

Blood tests: Hormone levels in the blood can be measured. This testing can rule out potential causes of menstrual irregularities or androgen excess that mimics PCOS.

Additional blood tests will be performed to assess glucose tolerance as well as fasting cholesterol and triglyceride levels.

Ultrasound: To examine the appearance of ovaries and the thickness of the lining of the uterus.

How is PCOS Treated?

There is no cure for PCOS, but it can be treated. The treatment for PCOS starts from the proper diagnosis and is based on the woman’s symptoms, age, and future pregnancy plans. The treatment mainly focuses on controlling the symptoms and managing the condition to prevent further complications. The treatment for PCOS may include:

  • Prescribing birth control pills to regulate menstruation
  • Anti-hair growth medications
  • Inducing ovulation to treat infertility
  • Medication to block the excess production of androgens
  • Treatment for acne
  • Treating other skin problems associated with PCOS
  • Medication to lower the insulin levels

There is no cure for PCOS, but it can be treated. The treatment for PCOS starts with the proper diagnosis and is based on the woman’s symptoms, age, and future pregnancy plans. PCOS treatment focuses on managing individual symptoms, such as infertility, acne, hirsutism, or obesity. Specific treatment might involve lifestyle modifications or medication.

Lifestyle changes


(a) To regulate the menstrual cycle:

  • Combination birth control pills: Estrogen and progestin-containing pills reduce androgen production and regulate estrogen.
    Regulating hormone levels can lower the risk of endometrial cancer and correct abnormal bleeding, excess hair growth, and acne.
    Instead of pills, use an estrogen and progestin-containing skin patch or vaginal ring.
  • Progestin therapy: Progestin, taken for 10 to 14 days every one to two months, can help regulate periods and protect against endometrial cancer. Progestin therapy has no effect on androgen levels and will not prevent pregnancy. If you also want to avoid pregnancy, a progestin-only minipill or a progestin-containing intrauterine device is a better option.

(b) To help for ovulation:

  • Clomiphene: This anti-estrogen medication is taken orally during the first half of the menstrual cycle.
  • Letrozole: This breast cancer treatment can work to stimulate the ovaries.
  • Metformin: This oral medication for type 2 diabetes improves insulin resistance and lowers insulin levels.
  • Gonadotropins: These hormone medications are administered via injection.

(c) To reduce excessive hair growth:

  • Birth control pills: These pills reduce androgen production, which can cause excessive hair growth.
  • Spironolactone: This medication inhibits androgen's effects on the skin. Because spironolactone can cause birth defects, it is necessary to use effective contraception while taking this medication. It is not advised during pregnancy or when planning to become pregnant.
  • Eflornithine: This cream can slow facial hair growth in women.
  • Electrolysis: Each hair follicle is pierced with a fine needle. The needle emits an electric current pulse that damages and eventually destroys the follicle. So might need multiple treatments.

(d) Lifestyle and home remedies:

  • Maintain a healthy weight: Weight loss can lower insulin and androgen levels, potentially restoring ovulation.
  • Limit carbohydrates Diet: Low-fat, high-carbohydrate diets might increase insulin levels. Choose complex carbohydrates, which raise blood sugar levels more slowly. Exercise helps lower blood sugar levels.

How can PCOS be Prevented?

A healthy lifestyle is the only way to prevent and treat PCOS. Following tips can reduce the risk of PCOS among women:

  • A healthy diet, low in refined carbohydrates and fats with high protein helps to regulate the blood sugar levels.
  • Being physically active regulates the levels of insulin and keeps excess weight off.
  • It is difficult to lose weight for women with PCOS, but doing so can help to reduce the levels of male hormones in the body.

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1. What is PCOS?

Polycystic ovarian syndrome occurs due to insulin resistance in a woman common in teenage girls to perimenopausal women which leads to obesity, Irregular menstrual cycle, hirsutism, unwanted hair growth, dark pigmentation of skin, acne, and infertility.

2. What are the bad effects of PCOS?

It leads to irregular cycles, causes infertility, and metabolic disorders like obesity, diabetes mellitus, hypertension, hyperlipidemia, and coronary artery disease.

3. How do we diagnose PCOS?

There is something called Rotterdam criteria which has three criteria- at least 2 out of 3 criteriaconfirm PCOS. One is menstrual cycle abnormalities, clinical/biochemical evidence of hormones ultrasound appearance of polycystic ovaries.