天气预报 > 其他 > 孕40周胎儿还会长多少
孕40周胎儿还会长多少
更新时间: 2020-11-04 00:00:00  

孕40周胎儿还会长0.1厘米到一厘米左右,毕竟每个胎体的发育程度都是不相同的。

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 会长 多少

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