OK IM 20 YEARS OLD I HAVE BEEN ON THE DEPO SHOT FOR 4 YEARS I HAVENT HAD INTERCOURSE IN 3 TO 4 MONTHS WHEN I HAD INTERCOURSE LAST NITE ALL IF SUDDEN I WAS BLEEDING I JUST WANT TO KNOW DOES THAT COMES FROM ME NOT HAVING SEX IN A LOOONG PERIOD OF TIME BUT I ALSO HAD A HISTORY OF HAVING CHYLAMIDA IN THE PAST LOTS OF TIME AND I THINK IM EASY TO GET AN INVECTION SO PLEASE TELL ME WHAT I CAN DO ABOUT THE BLEEDING