Fetal sudden death in the late trimester in intrahepatic cholestasis of pregnancy (ICP) is hard to anticipate and monitor, therefore with high risk.
妊娠肝内胆汁淤积症(ICP)妊娠晚期胎儿猝死，难以预料和准确监测，具有高风险性。
Cervix lymphatic hygroma; Ultrasonic checkup; Mid trimester of pregnancy; Late pregnancy; Foetus.
颈淋巴水囊瘤；超声检查；妊娠中期；妊娠末期；胎儿。
Methods We observed with ALOKA-630 all the fetal faces of 1176 fetuses that it was second trimester and late pregnancy, and observed seriously whether the upper lip of fetal was continue or not.
方法：应用aloka - 630二维超声诊断仪对1176例中晚期妊娠的胎儿颜面结构进行观察，着重观察胎儿上唇是否连续。
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