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A 23-year-old female asked:

How soon after menstration can conception occur in a 28 day cycle?

1 doctor answer1 doctor weighed in
Dr. Robert Kwok
Pediatrics 34 years experience
Varies depending...: A woman can conceive on the day she ovulates, if sperm are there. Usually, she ovulates on day 14 of a 28 day cycle. So, the number of days from the last day of her period until she ovulates will depend on the length (the number of days) of her period. That means with a 4-day period, there are 10 days until ovulation. With an 8-day period, there are 6 days until ovulation. It's arithmetic!

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Last updated Dec 9, 2013

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