Me and my fiancé had sex less than 2 weeks before im supposed to start my period, I told him I don't even think its possible to get pregnant in that time interval, but I've had such sore boobs, piercing cramps in my ovaries, constipation, and back acne, which is the weirdest bc I'm 17 and I've NEVER had acne. AT ALL. I'm supposed to start or not start in a few days, idk if I need to take this prego test!!! D: