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怀孕多少天为孕早期

更新时间: 2020-11-04 00:00:00     

一般怀孕后,孕周是从末次月经量开始的第一天算起的,孕期的计算为7天一周4周为一月,整个孕期共为280天,10个妊娠月(每个妊娠月为28天)。12周以前属于孕早期,12到27周属于孕中期,28周以后属于晚孕期。故孕早期为12乘以7,84天。

关键词: 怀孕 多少 早期

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