hello, I ended my period on the 24 of april. had unprotected sex on the 27, 28, 30th and 1,2,3,5, and 7th of may. My period usually lasts 6-7 days. I now have a yeast infection with a fishy odor and just started using monistat7 today. But could i be pregnant? I took two test and they came back negative. Yet, my breasts are swollen, I am sweating more then usual, I have nausea during mid-day and when finishing up eating. Another issue is on monday I had severe cramping for 15 min and then it went away. the cramping was sharp and painful.