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胎儿8个月b超标准是多少
更新时间: 2020-11-04 00:00:00  

8个月胎儿发育指标:体重约2kg=约等于5个土豆,身长约46cm,双顶径8.17士0.65(cm),股骨长6.43士0.49(cm),腹围26.20士2.33(cm)。

胎儿,是指妊娠8周以后的胎体。妊娠4~8周娩出的胎体为胚胎。胚胎期重要器官逐渐形成,在胎儿期各器官进一步发育成熟。胎儿在妊娠28周以前娩出的现象称为流产;孕28~37周前娩出的现象称为早产,孕37周至不满42足周娩出的现象称为足月产。

关键词: 胎儿 超标准 多少

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