Human Body

Reproduction and Human Development

How long the does female reproductive cycle last?

The reproductive cycle averages 28 days, but it may last from 24 to 35 days. A cycle of 20 to 45 days is still considered within the range of normalcy. The menstrual phase lasts five to seven days. The preovulatory phase lasts 8 to 11 days, and the postovulatory phase lasts an average of 14 days.


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