Ask the Health Educator: Paternity

Question from June 2, 2015

Hi! Well my question is: my husband and I have been trying to conceive since june. I got the nexplanon removed in may. By January I went back to the dr and he put me on oral birth control to regulate my cycle, which they started coming on March 27th and April 17th. On April 17th, a friday, I got my period (lasted 6) but on the 21st, a tuesday, I found out my husband cheated so unfortunately I slept with someone else. I know two wrongs don’t make a right and I regret it. On the 22nd my husband decided to work things out and we agreed to try, he knew about what I did as well. My husband and I had sex on the 22nd, 23rd and 24th. On the 27th I ovulated, which is a monday. I ovulated on day 10 that cycle. On the 17th my period never came. And I got a positive pregnancy test. Could it be from that guy? If we had intercourse on a Tuesday and I ovulated on the following monday?

And I did have sex with my husband on the 27th, 28th and 29th..

I got my period March 17th and April 17th.

Answer:

If you had sex with both your husband and the other man after your last period, then it may not be possible to tell who the father is. Unless you took an ovulation test, it is impossible to know exactly when you ovulated. Since sperm can live inside the body for a few days, if you ovulated a few days before or after the 21st, it is possible that sperm from both your husband and the other man could have been present in your body and either could have fertilized the egg. The only way to be sure who the father is would be to take a paternity test after the baby is born.

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