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Comparison of Middle Cerebral Artery Pulsatility Index in Singleton and Twin Pregnancies
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF PERINATAL MEDICINE
- Issue:
- 2
- DOI:
- 10.3760/cma.j.issn.1007-9408.1998.02.002
- Key Word:
- 脑动脉;血流速度;胎儿
Abstract： 目的 探讨正常双胎妊娠期间胎儿大脑中动脉搏动指数的变化;并与正常单胎进行比较.方法 采用彩色多普勒超声对34例正常双胎及176例正常单胎胎儿从孕23周至孕35周进行大脑中动脉搏动指数测定.结果 正常双胎胎儿大脑中动脉搏动指数随孕周呈逐渐下降趋势,与正常单胎胎儿比较,孕29周前该值为低,以后较之略高.结论 孕29周后双胎胎儿大脑中动脉血流阻力比单胎其值为高.
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