ok so I have been sexual with my boyfriend for approximately a year and a half he's always ejaculated in me and we had sex almost every day in a month (even during period) and I never gotten pregnant even his ex's before me had never gotten pregnant by him but had kids after him ! I went outside of our relationship when I found out he cheated and I slept with a guy friend . We did use a condom and checked it once we were done but how can you really be sure. My ultrasound G.A measure reading makes it lines up with my due date even though my periods are irregular but can I even trust that ? should I tell him it could be someone elses or wait until the baby is here and secretly test the other guy? he is excited and so is his family but im scared ! Im 11 weeks as of today.