关键词: 双胎妊娠, 孕期管理, 妊娠期并发症, 早产, 妊娠期糖尿病

Abstract: The incidence of multiple pregnancy is closely related to assisted reproduction. In the management of multiple pregnancy，we should pay more attention to chorionicity and the corresponding fetal complications. The incidence of maternal complications such as gestational diabetes，preterm birth and preeclampsia also rises obviously. As a result，in order to minimize the adverse outcomes of fetus and pregnant woman，close monitoring is needed.

Key words: twin pregnancy, management of pregnancy, pregnancy complications, pretern birth, gestational diabetes mellitus