On the 8/12/13 I had unprotected sex and on that week I had period pains and saw some spotting the following week I went on my periods for 2 days it was heavy and on the third day it was light then the week after the periods which is this week I urinate a lot my abdomen is swollen I fart a lot and I have sleepless nights because of urinating a lot yesterday my boobs were swollen and painful but today they are back to normal what may be the cause? Please help!