HI IM A 27 YR OLD MUM OF 2 (8, 5) AND HAVE BEEN ON CEREZETTE FOR A COUPLE OF YEARS AND ALWAYS EXPERIENCED BREAKTHROUGH BLEEDING, I HAVE RECENTLY BEEN OF THE PILL NOW FOR ABOUT 6 WKS AND NO PERIOD FOR 5 WEEKS AND HAD UNPROTECTED SEX ON ALOT OF OCCASIONS WITH MY HUSBAND AS WERE TRYING FOR ANOTHER BABY, I HAVE THE FOLLOWING SYMPTOMS - sore boobs, tiredness and period like pains BUT A NEGATIVE PREGNANCY TEST WHICH I TOOK AFTER I WAS 5 DAYS LATE- PLEASE HELP OR GIVE ME SOME ADVISE!!!