hi, the other day (tuesday) i had waves of pain for about an hour int he evening, i hopeing this is my IBS, it was crippling, i just had to sit down bent over forwards. since then my stomach has ballened out, when im standing it is almost like im pregnant aqnd when im sitting its like a big roll of fat bang in the middle of my stomach.im really worried about being pregnant although i am no the pill and my partner an i use condoms, im only worried cos im 17 and dont waant a baby now. i have also been feeling sick on an off so i took a pregnantcy test ealier today (thursday) and it was negative, i have felt a bit like this before but it wasn't quite as bad and i alos PID at that point, which i haven'(please i haven't) got now.i feel uncomfortable as i have this roll in my way! is it anything or have i just put on a lot of weight?sorry for blabbing on!thanks for any help!