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足月是多少周
更新时间: 2020-10-28 00:00:00  

一般足月儿的是在满37到42周的胎儿才算是足月儿,如果不在这个范围之内的话都算是早产儿,平时孕妇的话应该多些注意自己的身体情况,如果到了足月的时候就要非常小心了,因为胎儿有可能会随时降生。

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。

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