Polycystic Ovary Syndrome (PCOS)
What is polycystic ovary syndrome (PCOS)?
Polycystic ovary syndrome (say "pah-lee-SIS-tik OH-vuh-ree SIN-drohm") is a problem in which a woman's hormones are out of balance. It can cause problems with your periods and make it difficult to get pregnant. PCOS also may cause unwanted changes in the way you look. If it isn't treated, over time it can lead to serious health problems, such as diabetes and heart disease.
Most women with PCOS grow many small cysts on their ovaries. That is why it is called polycystic ovary syndrome. The cysts are not harmful but lead to hormone imbalances.
Early diagnosis and treatment can help control the symptoms and prevent long-term problems.
What are hormones, and what happens in PCOS?
Hormones are chemical messengers that trigger many different processes, including growth and energy production. Often, the job of one hormone is to signal the release of another hormone.
For reasons that are not well understood, in PCOS the hormones get out of balance. One hormone change triggers another, which changes another. For example:
What causes PCOS?
The cause of PCOS is not fully understood, but genetics may be a factor. PCOS seems to run in families, so your chance of having it is higher if other women in your family have it or have irregular periods or diabetes. PCOS can be passed down from either your mother's or father's side.
What are the symptoms?
Symptoms tend to be mild at first. You may have only a few symptoms or a lot of them. The most common symptoms are:
How is PCOS diagnosed?
To diagnose PCOS, the doctor will:
You may also have a pelvic ultrasound to look for cysts on your ovaries. Your doctor may be able to tell you that you have PCOS without an ultrasound, but this test will help him or her rule out other problems.
How is it treated?
Regular exercise, healthy foods, and weight control are the key treatments for PCOS. Treatment can reduce unpleasant symptoms and help prevent long-term health problems.
Your doctor also may prescribe birth control pills to reduce symptoms, metformin to help you have regular menstrual cycles, or fertility medicines if you are having trouble getting pregnant.
It is important to see your doctor for follow-up to make sure that treatment is working and to adjust it if needed. You may also need regular tests to check for diabetes, high blood pressure, and other possible problems.
It may take a while for treatments to help with symptoms such as facial hair or acne. You can use over-the-counter or prescription medicines for acne.
It can be hard to deal with having PCOS. If you are feeling sad or depressed, it may help to talk to a counselor or to other women who have PCOS.
Frequently Asked Questions
eMedicineHealth Medical Reference from Healthwise
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