So i went to the dr and got the Birth Control and she told me to begin to take it immediately. Well the next week i had my period but it wasnt according to the pill pack but i continued to take the active pills according to the pill pack. Its been two weeks and ive read that after 7 days the pill is effective. Does me having my period in the middle even before the due date on the pack make it less effective, or does it not matter?