Hi, I Had My Last Period Last June 10, My

hi, i had my last period last June 10, my period is irregular. I had unsafe sex with my bf and last july 20 i took a PT and shows positive. After a week i took CYTOTEC pills. It bleeds me for a day only. Until now i still haven't had my period yet and took another pregnancy test and still positive. what shall i do i want to get rid of this. Is there any abortion pills i can take?