I had a period 10/9/14 normal 5 day period. I started birth control 11/9/14 i stopped 11/11/14 had unprotected sex 11/13/14 and had withdraw bleeding 11/16/14 lasting 8 days and it is now 1/25/15 on cd 71 and i have still not had a period its been almost 3 months without it and i also took test that came back negative but i have been dizzy, lower back pain, headaches, tired, nausea, and using the bathroom alot, and alot of milky creamy discharge some times its watery and sometimes its creamy and some periods of time it comes out in a big amount ruining my underwear. Could i have gotten pregnant ?