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A 19-year-old female asked:

If i had my last period between july 19th-25th and it lasted 5 days when did ovulation likely occur?

1 doctor answer1 doctor weighed in
Dr. Robert Kwok
Pediatrics 33 years experience
About 2 weeks after: Ovulation usually happens about 2 weeks after the start of the last period (july 19 in this case). For a 28-day cycle, that's about day 14. It all depends on cycle length. For a 30-day cycle, ovulation is about 2 days later, on day 16 (see the pattern?). Life is not exact, so all dates are estimates.

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Last updated Dec 20, 2013

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