Ectopic Pregnancy Xiaofang Yi, M.D. Hospital of OB/GYN, Fudan University Email: [email protected] Mobile: 15026585241.
Pregnancy Diagnosis Obstetrics and Gynecology Hospital of FudanUniversity Xing Chen, MD. Email: [email protected].
Amenorrhea Mayurasakorn N.. Not physiologic Primary amenorrhea Normal secondary sex characteristic no manarche by 16 years no periods by 2 years after.