Abstract: Polycystic ovary syndrome（ＰＣＯＳ） is the most common endocrine disease in reproductive-age women, especially in adolescents. At present, the diagnosis standard of adult PCOS has been made. Along with recent years, the incidence of adolescent PCOS gradually increased. In is necessary to draft the diagnosis standard of adolescent PCOS. In this article, hyperandrogenism, amenorrhea and polycystic change in ovary were discussed in diagnosis of adolescent PCOS.

Key words: Puberty, Diagnosis, Polycystic ovary syndrome, Hyperandrogenism, Amenorrhea