ive been haven sex obviously as this is a form of birth controll.it sais it stops ovulation aswell but about a week or two ago i was overlaten alot...and now today after not haven a period for a whole year ive had this reli  light pink dischareg n its rank but it was after iv noticed i have had alot of belly achs cramp..head achs and soooooooooooooo tired and im not jokeing my mood has beeen evil today i was happy as i thought it was a period atleast i had a excuse for my moaning n snapping now i reead about implantation blleeding very very woried and bit concernd about what this is is it pregnancy or miscarage or just what ??? any thoughts would be fantastic