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怀孕多少天算一周

更新时间: 2020-11-05 00:00:00     

七天。临床上怀孕十个月是指怀孕40周,280天为整个孕期。怀孕超过28周达到37周前,也就是怀孕196天至258天之间生产属于早产。预产期是根据末次月经进行推算,末次月经月份上加九或者减三,日子上加七就是预产期的时间。

关键词: 怀孕 多少

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