Zhonghua fu chan ke za zhi
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To study the perinatal outcome of monochorionic (MC) twin pregnancies. ⋯ MC pregnancies complicated by either TTTS or sIUGR have poorer perinatal outcome as compared with uncomplicated MC pregnancies. MC pregnancies with EFW discordance>25% and UmA flow abnormality are associated with even worse perinatal outcome. Close fetal monitoring is needed in MC pregnancies in order to reduce perinatal mortality.