ohkay well i had unprotected sex on new years [o1.o1.o8] and thats when i lost my virginaity ; and lately ive been haven cramps and feelinq nauseated - and i've been REAlll hunqry i qained like 5 pounds from eatinq. and i had mah period for one day and it stopped ; what should i do ? should i wait until the 21st to take a preqnacy test ? :'(