目的　良性囊性畸胎瘤是妊娠期最常见的卵巢肿瘤,传统的治疗方法是在妊娠16～20W时行剖腹探查并切除肿瘤,这主要是为了避免出现可能的几种并发症:如扭转、破裂以及肿瘤阻塞产道导致难产等。本研究拟在探讨妊娠期及分娩期卵巢囊性畸胎瘤保守治疗的可能性。方法　共有49例经过超 Objective The benign cystic teratoma is the most common ovarian tumor during pregnancy. The traditional treatment is to carry out laparotomy and resection of the tumor at 16-20W during pregnancy, mainly to avoid possible complications such as torsion, Rupture and obstruction of the birth canal lead to difficult labor and so on. This study intends to explore the possibility of conservative treatment of ovarian cystic teratoma during pregnancy and childbirth. A total of 49 cases after the super