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。
Fetal sudden death is often found in pregnant women with Intrahepatic Cholestasis of Pregnancy (ICP) in late trimester, and the mechanism of fetal sudden death is still unknown.
妊娠肝内胆汁淤积症(ICP)往往在妊娠晚期发生胎儿猝死，但机制尚不清楚。
The serum nitric oxide level in term labor was significantly lower than that in late-trimester(P<0.01), and was significantly lower in postpartum than that in all the periods of pregnancy(P<0.01).
而临产妇女较足月妊娠待产妇女明显降低（P<0.01），产后妇女明显低于妊娠不同时期（P<0.01）。
The serum nitric oxide level in term labor was significantly lower than that in late-trimester(P<0.01), and was significantly lower in postpartum than that in all the periods of pregnancy(P<0.01).
而临产妇女较足月妊娠待产妇女明显降低（P<0.01），产后妇女明显低于妊娠不同时期（P<0.01）。
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