泄殖腔是胚胎的消化、生殖和泌尿系统在发育早期阶段形成的特殊结构。胚胎8周后,这些内脏系统将完成其结构分化。泄殖腔保留(persistent cloaca,PC)是胎儿发育中后期泄殖腔持续存在的畸形。本文报告2例尸检发现的泄殖腔保留,并复习文献。1材料与方法1.1临床资料2例孕妇均在本院 Cloaca is the embryo’s digestive, reproductive and urinary system in the early stages of development to form a special structure. After 8 weeks embryo, these visceral system will complete its structural differentiation. Cloacal retention (persistent cloaca, PC) is a continuous deformity of the mid-to-late period of fetal development. This article reports 2 cases of autopsy found cloacal retention, and review the literature. 1 Materials and Methods 1.1 Clinical data 2 pregnant women are in our hospital