hi its just you bc pills doing there job its when you get onto the placebo pills that you get your period as you should know having been on them before. just google the working of bc pills its all there. good luck
is it birth control or possible pregnancy? . birth control question.? . i had unprotected sex nov. 21 and then i started my birth control that following sunday nov. 22. i had completed a week of the birth control. my period was expected the week after but it never came. i have never missed a period and i have been on plenty of birth control. is this the work of the birth control or something else? i am on sprintec. serious answers only please.