I AM 20 YRS OLD. I HAD UNPROTECTED SEX WITH MY BOYFRIEND. I THINK I MIGHT BE PREGNANT. i TOOK A TEST BUT IT WAS NEGATIVE. I FEEL REALY WEIRD. I FEEL LIKE I HAVE ALOT OF GAS OR BUBBLES IN MY STOMACH. I USE THE BATHROOM FREQUENTLY AND I CANNOT SLEEP ON MY STOMACH, I HAVE TO SLEEP ON MY SIDE BECAUSE IT IS UNCOMFORTABLE. AFTER THE NEGATIVE TEST I FELT DIFFERENT, I DON'T KNOW IF IT WAS ALL IN MY MIND. I THOUGHT I WAS HAVING MY PERIOD BUT , IT WAS SPOTS OF DARK BROWN DARK REDISH BLOOD. I DON'T KNOW IF THOSE ARE SYPTOMS OF PREGNANCY !