7th: Menses begins 14 days after ovulation if pregnancy hasn't taken place. It's the period of time after menses & before ovulation that can vary. So if you always ovulate on the 7th, then your menses should always arrive on 21st if you didn't get pregnant.
Answered 7/28/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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