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生产预产期多少周
更新时间: 2020-11-04 00:00:00  

预产期是指胎儿在孕妇身体里面发育成熟,要出生的那一天。预产期一般是指孕40周。预产期是根据孕妇的末次月经计算的,预产期并不是精确的分娩时间,只有5%左右的妇女在预产期那一天胎儿分娩。因为每个人排卵会有提前或者推迟的原因,孕妇都难以准确的判断具体受孕的时间。只要在预产期提前半月或推后半月之内出生的胎儿,都属于正常现象。

关键词: 生产 预产期 多少

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