Stomach and breast issue. What to do?

I had intercourse on 20 jan after 42hrs I taken unwanted 72 thn I got my periods on perfect time and again I had intercourse on 19 feb but not perfectly his sperm doesn't comes out then in next periods it was like spotting 2-3 drops everyday . I did upt which was negative for regulate my periods I ate 2 tablespoon raw tea and papaya and after a day I get Normal bleeding periods again but gap between spotting like period and normal period was 15 days from the day I ate raw tea I m feeling some inflammation and lil tenderness in breast and stomach pain under bust I did 6th time upt today which was also showing negative result ... why this is happening in stomach and breast ? Still , Is it any possibility of pregnancy ? Or I got infection in my stomach bcz of raw tea ? Plz Tell me doctor what to do ?