I have heard somewhere that stress can cause a missed period... so i guess i am just wondering if what i am going through could be stress. I havent had my period since November. and i thought i could be pregnant but i have taken 3 tests so far and all have well basically said negative, well actually i am not sure if they worked. its hard to explain but they didn't do anything and its suppose to at least show a minus sign if not. and i did have some stress going on when i was first late but i dont really think i have much right now. and i havent had insuance so i havent been to the doctor, but i guess i just wanted some advice before i try to get to the doctor if i need to cause it'll be kinda hard to explain this to my mom, i know i am 20 but i still live at home. But some advice would be really great, i mean i enjoy not having my period, but i would kinda like for nothing to be wrong with me as well. Help!?