Hey, i have been feeling bloated all day, nauseous,lightheaded and a few pains now and then in my belly, i keep having headaches. i was sick lastnight as if i was shaken around.i get depressed alot also. i started my BC pills on Friday, i had no period on my 7day rest ,just a couple of light pink spotting when i wiped, i had a home pregnancy test on friday the same day i started the pill and it was negative. what could be up[ with me if it is not that ?