I started this medication in October help my periods be regular because I was bleeding a lot for like a year my doctor gave me a D&C hoping that would make my periods regular but it did not help so he put me on this medicine in my last period It was kind of heavy with a lot of blood clots but it only lasted for like 5 days then I start it my medicine back up I'm on it for every 14 days on in the 14 days off I supposed to have a period around July 13th my last. Was June 23rd my period Never came in July then I should have had another period In August the 8th all I've been having his lights party in my back kills and it's brown I took a pregnancy test just to make sure I'll come back negative.. my biggest worry is if I'm pregnant and the test is not picking it up because I also take Wellbutrin and anxiety medicine and I heard that can affect a pregnancy test been feeling very hot and sweaty past two months I've been really moody and sad I don't know if it's just the pill part of me wants to get off the pill and see if my body will start working on its own again hope this ain't too long and I hope everybody understands it is there a possibility I could be pregnant and it's not picking it up? If you've used this medicine tell me your story about it