I made a mistake January 27-28 that night with someone ! and then i had sex only with my ex boyfriend February 2,4,6,10,14 16 and 20-27 ! i had my period February 8-13 ! then march 6 i was suppose to have started my next period and i haven't march10 i took a test and it was negative !march 14 i took one at 6 am and 2 pm and they were both positive ....i m scared and my ex bf is here and wants to work it out if its his !!!so i need help please let me know what you think and yes i made a mistake and i regret it so i am sorry......