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推算预产期(expected date of confinement,EDC)

名词解释题
2022-01-01 12:32
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正确答案

问清末次月经日期,推算预产期。推算方法是按末次月经第一日算起,月份减3或加9,日数加7。


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推算预产期(expected date of confinement,EDC)
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