ok i dont know if i am in the right forum for this but i really need help.
ok here the story.
my period ranges from 28-32 days. my boyfriend and i slept together 4 days before my period now. he finished in me because we are ttc. he finished in me a lot and for 3 days. according to the ovulation calculator the last day of my ovulation was march 1st, we first slept together march 4th. i was due for my period on the 8th and it came as usual.the last day we had sex was the 6th. i ended my period today, and i took a pregnancy test, and it came back positive, how is it im pregnant?