Im 17 and have to kids ever since i had my daughter 5 months ago ive been having problems first it was bad stomach cramps then that stopped thrn ive started bleeding for the last 7 weeks im on the pill but havent taken an suger pills to start the bleeding and in the last week ive been getting really bad backache jus on the right lower side which sometimes goes down my right leg can any one please help im also really tired all the time whats wrong with me...could this be due to my last pregnancy? i didnt have any unusual problems with her..