天气预报 > 其他 > 八个月胎儿重量是多少算正常
八个月胎儿重量是多少算正常
更新时间: 2020-11-05 00:00:00  

八个月胎儿重量在2kg到2.5kg左右。胎儿身长大约为42cm到46cm之间。

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。妊娠全程共280天即40周。

关键词: 胎儿 重量 多少 正常

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