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多少周生产 算正常
更新时间: 2020-11-05 00:00:00  

足月妊娠为37-42周妊娠,实际生产日期与预产期前后相差一至两周是正常的。

由于每一位孕妇都难以准确地判断受孕的时间,所以,医学上规定,以末次月经的第一天起计算预产期,其整个孕期共为280天,10个妊娠月(每个妊娠月为28天胎儿在母体内生长时间:应为40周,即280天)。孕妇在妊娠38-42周内分娩,均为足月。

关键词: 多少 生产 正常

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