Polycystic Ovarian Syndrome (PCOS) is a hormonal and metabolic alteration produced by hyperandrogenemia (excess of male hormones). It is the most frequent reason for ovulatory disorders, with a prevalence of 10% in women of reproductive age, and may have manifestations in stages prior to puberty. And it is one of the most common causes of infertility in women.
PCOS occurs, in general, when a hormone called LH or insulin levels are very high without being diabetic, as a consequence your ovaries produce excess testosterone.