On April 6 I had my period for 7 days one week after that on April 16 threw 19 me and my boyfriend had sex, no protection and he did cum inside me. Everday on that week we had sex , I still havent got my period on may 4 and 11 I took a test both came out negative, I have really bad cramps & white milky and creamy discharge but no period and I have to go to the bathroom alot, can I be pregnant ?