各种原因引起胎有头入盆困难，如骨盆狭窄、头盆不称；胎位异常，如臀先露、肩先露、枕后位、额位等；脐带过长；羊水过多等。当人工破膜或自然破膜时，脐带容易滑出 ...
[群星][枕边歌（优质情歌选）][APE/629M] · [张靓颖][Update][APE][275MB] · [刘德华][刘德华金曲精选（第一辑）][wav/528M] · 周华健精选包[10cd][3.11G] · [陈奕迅][What ...
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