mood swings, and i'm 13? i'm 13 and never had my period. yesterday i had sharp backpain and cramps. i'm 5'5'' 120 pounds (muscular) 34A bra size. i'm had the hair for 1 year, bra for 2, and discharge for 3 years now. today i woke up and walked around then i noticed when i went to the bathroom that i had VERY heavy discharge that was white and thick. i also have serious mood swings. could this be my period coming? and will it b here within a week or 2 weeks?