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Who is the father

I found out that I was 34w6d pregnant on September 14th of this year. My due date was October 20th. My period wasn’t regular in January. I had sex with guy A on January 27th which was day 4 of my period. I don’t bleed on day 4 or 5 during my periods. I had sex with an ex with guy B on February 1st around one something in the morning. Who is more likely the father ?
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134578 tn?1693250592
COMMUNITY LEADER
It could be either guy.

If you had known you were pregnant and had an early ultrasound, such as in the 7th week, and that early ultrasound had said you were due October 20, you might have been able to say that the first guy was more likely to be the dad than the second guy. But by week 34, using ultrasound data to try to guess at a conception date has a margin for error of +/- three weeks either direction. That means there is no way to accurately extrapolate which guy is the dad from an ultrasound by that point in pregnancy unless the sex with them was much more widely spaced in time. I assume the baby is born by now, why don't you do a DNA test with both men?
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2 Comments
Guy A we didn’t use protection and with guy b we used protection plus he has a vasectomy. I  doing a test with guy A next week.
Seems sensible.

If guy B has ever had his sperm count tested, he should know if his vasectomy was effective, as well. Most doctors will have the guy come back a few months after the vasectomy to check and be sure.
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