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多少周算是孕中期
更新时间: 2020-11-05 00:00:00  

孕中期是指孕14周自孕27周末之间。妊娠期从末次月经的第一天开始计算,约为280天,共计40周。

临床上分为三个期:早期、中期和晚期。早期妊娠是指孕未达14周;中期妊娠是指孕14-27周末;晚期妊娠指≥28周以后。中期妊娠和晚期妊娠,是胎儿生长发育和器官发育的重要时期。

关键词: 多少 算是 中期

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