Hi there, I was wondering if you could help. I have recently found out I am pregnant. My due date has been given as the 31st of October. I had sex my boyfriend on the 31st of January. We split up after this. On the 12th of February I slept with someone else although he didn't come in me. When was the most likely time I conceived? Thanks

Do you remember what your LMP was? With a due date of 10/31, you most likely conceived on February 8. Now, remember that it takes several days for the sperm to fertilize the egg after having sex, so having intercourse on 1/31 makes it possible for this man to be the father.

However, with that said, there is no way to tell beyond the shadow of a doubt until the child is born and a DNA test is done.

Knowing your LMP may change what I have said above.

Hi there, my lmp was around the 25th of January but had been irregular

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Originally Posted by dmarie123

lmp was around the 25th of january

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That is what my gestation calculator said. So, most likely it was from the first encounter. But, remember, these are only estimates and since the dates are so close it's impossible to be entirely accurate without a DNA test after the baby is born.

Hi there, thank you so much for taking the time to answer. I will be having dna test done.. but this helps to ease my mind a little. Again thank you for your help! Much appreciated!

You are very welcome! Please let me know how things turn out. If you have any other questions please don't hesitate to ask!

Wishing you a healthy, happy and uneventful pregnancy.

Thank you so much. I will be sure to let you know how it goes. All going well so far and I have the support of my boyfriend. Just hoping everything turns out OK. Thank you for helping!