I started bleeding on the 28th of Aug. The Tues. before I was supposed to get my AF. It lasted until the 5th of Sept. It was alot lighter then my normal AF though. I took a HPT today but it was Neg. I'm still feeling a little crampy and my lower back is killing me. I was wondering if anyone who has had implantation bleeding how long it's lasted for you and also after it stopped when did you get your BFP? Thanks.