Polycystic ovary syndrome (PCOS) fact sheet
Source "Women's Health": http://womenshealth.gov/publications/our-publications/fact-sheet/polycystic-ovary-syndrome.html
The cause of PCOS is unknown. But most experts think that several factors, including genetics, could play a role. Women with PCOS are more likely to have a mother or sister with PCOS.
With PCOS, women typically have:
High levels of androgens. These are sometimes called male hormones, though females also make them.
What are the symptoms of PCOS?
The symptoms of PCOS can vary from woman to woman. Some of the symptoms of PCOS include:
* Infertility (not able to get pregnant) because of not ovulating. In fact, PCOS is the most common cause of female infertility.
In women with PCOS, the ovary doesn't make all of the hormones it needs for an egg to fully mature. The follicles may start to grow and build up fluid but ovulation does not occur. Instead, some follicles may remain as cysts. For these reasons, ovulation does not occur and the hormone progesterone is not made. Without progesterone, a woman's menstrual cycle is irregular or absent. Plus, the ovaries make male hormones, which also prevent ovulation.
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