ok so here is the deal....i am pregnant, I had sex with and ex on august 26th...but i have a boyfriend. I went to the docs on sept 9th or 11th and they told me i was about three weeks pregnant. I also went to my ob gyn on sept 29th and she said im about 6-8 weeks but we wont until the synogram....me and my ex did use protection and he pulled out when he ..well u know....and i know in my heart he didnt get me pregnant but i need help with the math to make sure..........