Suggest Treatment For Multiple Periods In A Month

hi i just trying to figure out whati s wrong with me i started my period just before i was 12 everything was fine until i was about 17 then i started having periods in between my periods. i was put on birth controls it worked up until 08 when i got pregnant on them. i had an abortion everything was still fine untill like november of last year i would have sex start bleeding then it stops then starts again for about a month i though i was pregnant again but every result came back negative but i was having symptoms of pregnancy. when the symptoms stoped i started having some type of bleeding every day and it smells even when it disappears for a day it still smell and im still bleeding till now can some one help?