Who is affected by polycystic ovary syndrome

Polycystic ovary syndrome (PCOS) is common, affecting as many as 1 in 15 women worldwide.1 Symptoms often begin at puberty or with menstruation. This condition lasts for a woman's lifetime. Although menopause may bring a close to both irregular menstrual cycles and fertility, other symptoms remain.


  1. Norman RJ, et al. (2007). Polycystic ovary syndrome. Lancet, (370)9588: 685–697.

Last Updated: January 23, 2010

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