I'm a 19 yr old mother of a 3 yr old lil boy, i had him in Jan. of 2005. I remained celibate until Nov. of 2007. Me and the guy didn't use protection and i was having pregnancy symptoms but i wasnt pregnant then same thing happened in Dec. Before i started having sex my period were regular now they are COMPLETELY out of whack. My period USED to come on the 1st-6th of every month as of now I am between 12-17 days late but im not pregnant. The symptoms are as follows:Really bloated stomach, pelvic cramping(right side mostly), throbbing on the right side(like by my ovary) excessive fatigue, eating alot, and stuffy nose, BUT I AM NOT PREGNANT I HAVE TOOK AT LEAST 3 HPT'S ALL NEGATIVE PLEASE HELP! I was thinking it was PCOS(Polycystic Ovarian Syndrome) or PID(Pelvic Inflammtory Disease) ANYBODY WITH ANY ADVICE PLEASE HELP!