Department of Obstetrics and Gynecology, Chengdu PLA General Hospital, Chengdu 610083, China;
Department of Obstetrics and Gynecology, Xizang Command General Hospital, Lhasa 850003, China;
Department of Obstetrics and Gynecology, Chengdu PLA General Hospital, Chengdu 610083, China;
Department of Obstetrics and Gynecology, Chengdu PLA General Hospital, Chengdu 610083, China;
pregnancy, ectopic; Cesarean section; case report;