5Maj P W, Shannon T, Maj H K. Adnexal masses in pregnancy: a review of 130 cases undergoing surgical management[J]. Am J Obstet Gynecol, 1999, 181 ( i ): 19-24.
6Cohen-Herriou K, Semal-Michel S, Lucot JP, et al. Management of ovarian cysts during pregnancy: Lille's experience and literature [ J ]. Gynecol Obstet Fertil, 2013, 41:67-72.