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首页> 外文期刊>The journal of maternal-fetal & neonatal medicine >Influence of parity on second-trimester uterine artery Doppler waveforms in twin pregnancy.
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Influence of parity on second-trimester uterine artery Doppler waveforms in twin pregnancy.

机译：胎龄对双胎妊娠中晚期子宫动脉多普勒波形的影响。

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摘要

We performed uterine artery Doppler velocimetry in 16 nulliparous and 16 parous women with non-preeclamptic singleton gestations and 16 nulliparous and 16 parous women with dichorionic twin gestations at 17-18 and 26-27 weeks of gestation. In both singleton and twin pregnancies, the average pulsatility index (PI) in nulliparous women was significantly higher than that in parous women at 17-18 weeks of gestation. At 26-27 weeks of gestation, however, there were no significant differences in PI between nulliparous and parous women with either singleton or twin pregnancies. During the early second-trimester of non-preeclamptic singleton and twin pregnancies, parity has a significant effect on uterine artery blood flow.
机译：我们在妊娠17-18周和26-27周时对16例未先兆子痫妊娠的未产妇和16例产妇和双绒毛双胎妊娠的16例未产妇和16例母体进行了子宫动脉多普勒测速。在单胎和双胎妊娠中，未怀孕妇女的平均搏动指数（PI）在妊娠17-18周时均明显高于未怀孕妇女。但是，在妊娠26-27周时，单胎或双胎妊娠的未产妇和产妇的PI差异均无统计学意义。在非先兆子痫和双胎妊娠的孕中期，胎次对子宫动脉血流有重要影响。

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