Monochorionic diamniotic twins occur in about 1 in 300 pregnancies. Compared with dichorionic twins, they face increased risks because of the shared circulation. In about 15%, an imbalance in blood exchange occurs, such as twin‐twin transfusion syndrome and twin anemia polycythemia sequence. In this review, we summarize the latest evidence on the management of monochorionic diamniotic twin pregnancies and their specific complications, with a focus on information that is relevant for prospective parents.

中文翻译：

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单绒毛膜羊膜炎双胞胎：我该如何告诉准父母？

单绒毛膜羊膜炎双胞胎大约每300例怀孕中就有1例发生。与二甲双胞胎相比，由于共享循环，它们面临的风险更高。大约15％的人发生血液交换失调，例如双胞胎输血综合征和双贫血红细胞增多症序列。在这篇综述中，我们总结了有关单绒毛膜双胎妊娠双胎妊娠及其具体并发症的最新证据，重点是与准父母有关的信息。