A have a question... I just started a new birth control is the patch that you put on every 3 weeks and on the fourth week you have to take it off so that your period comes. So i put on my firts patch last week and on that same day and days after i had relations with my husban. When i was going to put on my second patch last friday when inread the box and it says that for the first week i have to you a back up birth control in orde for the patch to do his effect. Is it possible that I could be pregnant? In my opinion i think not cause i have an irregular period and the apps says that my period is supposed to start the 15 and i never get my period on the day it says it's usually the day before or 10 days after. I know its too early but i just wanted to know if it's possible.