I have been on this pill for 7 months. It is my boyfriend & I's main form of birth control. I am normally very regular and start my period on the day of my second inactive pill. That was yesterday, and I have yet to start my period. I have had very few slight cramps. I took every single pill at EXACTLY the same time (9AM on the dot) and did not miss any. I did not take any new medications. I'm concerned about whether this is normal or not? Or if I should be be worried about pregnancy?