 [ Symptoms ] who did i get pregnant by  i had intercourse on 914 and the condom broke it was a mistake the whole thing then on 926 my boyfriend and i had intercourse no protection and on 930 my period on 1029 went to the dr and i am currently pregnant on 1226 i had an ultrasound and was told that day i was 12 weeks and 3 days and my due date was 63014 please help me determine what person i could possibly be pregnant by [ Disease ] at this point it would really be impossible to have a 100 assurance as to the father of your unborn child sperm can remain viable in the female genital tract for more than a week so depending on your date of ovulation usually mid cycle but not always exactly on that date it could be either one you may have to wait until the birth of your baby and then get a paternity test on the two possible candidates