Premature ovarian insufficiency (POI) is a clinical syndrome defined by loss of ovarian activity before the age of 40 years. The POI guideline development group of ESHRE recommends the following diagnostic criteria: oligo/amenorrhea for at least 4 months and an elevated follicle stimulating hormone (FSH) level >25 mIU/mL on two occasion >4 weeks apart. But there still no diagnosis standard of POI in Chinese.The study aims to establishing the diagnosis standard of POI and analyzing the risk factors in Chinese women.
The study aims to establishing the diagnosis standard of POI and analyzing the risk factors in Chinese women.