A member asked:

I would like help figuring out the father. lmp 3/06. usually 40 day cycle. had sex 3/18 with a and 3/27 with b. ultrasound on 6/02 showed 11 wks 1 day?

A doctor has provided 1 answer

Probably B: Based on the ultrasound you would have conceived on March 30. This would be consistent with a 38 day cycle and you would not yet have been in your fertile period (roughly the week before conception) when you were with A.

Answered 6/9/2016

1.2k views

Thank

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