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Published on: 6/12/2025

What are the differences between Polycystic Ovary Syndrome and endometriosis?

Polycystic Ovary Syndrome (PCOS) and endometriosis are different conditions affecting women's reproductive health, with PCOS involving hormone imbalances and cysts on the ovaries, and endometriosis involving tissue similar to the lining of the uterus growing outside it.

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Explanation

Polycystic Ovary Syndrome (PCOS) and endometriosis are two distinct conditions that affect women's reproductive health, but they have different causes and symptoms.

PCOS:

  • PCOS is a hormonal disorder where women may have irregular menstrual periods, excess hair growth, acne, and obesity.
  • The ovaries may develop numerous small collections of fluid (follicles) and fail to regularly release eggs.
  • Hormonal imbalances are a key feature, often involving elevated levels of male hormones.

Endometriosis:

  • Endometriosis occurs when tissue similar to the lining inside the uterus grows outside the uterus.
  • It can cause pain, especially during menstrual periods, and may lead to fertility problems.
  • The misplaced tissue acts like normal uterine tissue, thickening, breaking down, and bleeding with each menstrual cycle.

According to the medical literature, these conditions can sometimes coexist, complicating diagnosis and treatment. Additionally, there may be a relationship between these conditions and thyroid health, which can further influence symptoms and management strategies. Understanding these differences helps in tailoring appropriate treatment and management strategies for affected individuals.

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