What Causes Delay In Periods And Swelling Of Uterus?

hello ma'am
i m facing a problem of menstrual cycle, uterus swelling and pain in my lower abbs....there is a 8 mnths gap in my period date...i m 23 yr old and soon get married too.....n very important is that i m having a habbit of mastuerbating too....is this is the reason for all this?......i need your help...before consulting any doc i just want you to suggest me what i should do?......plz kindly help me in this ....m very scared of all this and cant tell it to any one....my mail id is YYYY@YYYY for your reply
thanx.....