单绒毛膜单羊膜囊双胎妊娠2例临床分析

Monochorionic monoamniotic twin pregnancy: a review of 2 cases

目的探讨单绒毛膜单羊膜囊(monochoroinic monoaminiotic,MCMA)双胎妊娠的诊断、妊娠期监护、分娩方式以及妊娠结局的相关问题。方法通过对本院收治的2例MCMA双胎妊娠病例进行讨论,并复习相关文献,总结临床经验。结果 2例患者均于孕晚期以剖宫产术结束妊娠,术中见两胎儿位于同一羊膜腔内。结论孕早期超声诊断对MCMA的确诊极为重要,但对MCMA双胎妊娠的孕期监测以及分娩时机尚有争议,分娩方式则以剖宫产术终止妊娠为宜。

ObjectiveTo review the diagnosis, monitoring, management and perinatal outcomes of monochoriotic monoaminiotic twin pregnancy.MethodSummary clinical experience by discuss the 2 cases and review relevant literature.ResultTwo cases were terminated pregnancy by cesarean section in the late pregnancy, two fetuses in the same amniotic cavity were found intraoperatively.ConclusionEarly ultrosonography is important to diagnosis the MCMA twin pregnancy, there is controvercy in monitoring and delivery time of MCMA twin pregnancy, it is better to terminate pregnancy by cesarean section.