Well over the summer I stayed at a constant weight- 92 pounds and my body fat percentage was 4 or 5 and I was extremely fit and had a 6 pack (matainence for ballet since it requires a lot of it). I had a very very healthy diet and I ate normal/large portions. Then that one day I had realized my breasts didn't fill my bra so I decided to take a break from the health freak phase. So now I'm about 98 pounds and my body fat percentage is about 8. I don't think it was that much of a change. Like, my period stopped because of my physical activity and it started up once I took a break and was completely normal and predictible and then in october it started getting whacky. I've never really been normal for longer than 2 months and so I expected it but I had no idea it was going to last for 2 and a half weeks (about 7 days out of the two and the half weeks were EXTREMELY heavy)! Also, I'm trying to convince my mom that she should take me to my doctor but she doesn't think it's serious at all, considering it's getting much worse. I think that she doesn't want to get my health checked because she probably thinks I want birth control because I have a boyfriend. It's so frusterating and I'm concerned about how this could end up if nothing happens.