这也是我想不通的地方,就算推迟5天也不大对。一般人月经第一天后15天左右排卵。受精卵着床还得6到7天。这时候才算开始发育吧?
这也是我想不通的地方,就算推迟5天也不大对。一般人月经第一天后15天左右排卵。受精卵着床还得6到7天。这时候才算开始发育吧?
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