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A 24-year-old female asked:

My last period was 12/20/12 ended 12/26/12 but i didn't have intercourse till 12/29/12 i have a positive pregnancy test , how far along am i?

1 doctor answer2 doctors weighed in
Dr. Donald Alves
Emergency Medicine 26 years experience
Probably ~4 wks: Likely fertilization from prior cycle, so would add about 4 weeks to pregnancy. "might" be even longer, as is possible to menstruate while pregnant (just uncommon). Start prenatal vitamin if ttc.
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Last updated Mar 30, 2013

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