Polycystic ovary syndrome(PCOS),a heterogeneous endocrine disorder characterized by hyperandrogenism and chronic oligo-anovulation,is one of the most common causes of menstrual disorder.

• 多囊卵巢综合征(PCOS)是一种异质性内分泌紊乱性疾病,以雄激素过多及长期持续无排卵为特征,也是导致妇女月经紊乱的最常见的原因。