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来自维基百科,自由的百科全书
预产期(英语:Expected Date of Delivery or Estimated Due Date),缩写为EDD[1],是一个医学概念,用于预测孕妇的生产时间,即婴儿的出生时间。根据内格莱氏法则进行推算,一般为末次月经加280天。
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