Okay, I'm on seasonique birth control because I have very heavy and irregular periods with cramps. It comes with three one month pill packs and then a week of yellow pills, which I read on their site says that's when you get your period. It says you'll have it for 2-3 days and it's light and/or spotting only. It's tuesday and I've been taking the yellow pills on schedule since Sunday and I still don't have any bleeding. I'm having abdominal cramps and ovary pains a little but still nothing. Can it take a while or can I be pregnant? This is my first set of seasonique and idk really what the deal is. My friend said her regular one month birth control is a week after her yellow pills is when she gets hers. I have not had sexual intercourse and I'm in my 20s, so it's not like i just started my period. Please help!