i started my period 5 days early then the set time. then the next day i go to the dr and get the Aviane birth control pill. i finshed my period on saturday or sunday. and today wednesday the 25 i started my period again. i had sex two days ago and it was protected and then unprotected at the end. i am not sure what is going on. someone said it is the birth control and its normal. i am not sure what to do. can i have some advice on whats going on or what to do?