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A 17-year-old female asked:

if i had sex on 9/6 and got my period on 9/7 then had sex with a different guy on 9/15 and another different guy on 9/29 who is likely to be the dad?

1 doctor answer1 doctor weighed in
Dr. William Harris
Family Medicine 33 years experience
Guy #2: We start counting cycles on period day #1. Ovulation is day #14. Most likely, guy #1 is out, because you had sex a week before egg day. Guy #2 was on day #22, which seems awfully late for you to be ovulating but it is possible. In theory, the sperm from guy #1 could be in you for several days after, but not 8 days later! you're definitely going to need to test guys and baby to sort this one out!

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Last updated Sep 28, 2016

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