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足月产应该是多少周

更新时间: 2020-11-05 00:00:00     

怀孕到37周就算足月产了,只要在42周以前宝宝出生,就属于正常的足月妊娠。一般足月妊娠怀孕是40周,每个月按四周计算,怀孕十个月也就是40周。正常情况下怀孕的时间是从末次月经第一天算起的,九个月加七天就是阳历的预产期。阴历的预产期是九个月加14天。因为排卵是脑垂体指挥的,排卵时间是不确定的。

关键词: 应该 多少

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