Preganancy n unprotected sex

Patient: I had unprotected sex n he ejaculated .it was 5 day of my period.after 1 week had bleeding fr 3 days pinkish brown in color n also had brown color spot after 3 weeks of sex n bleeding fr 2 days .my next period is expected on 2 November. Am I pregnant pls help me and if so pls tell me abortion pill I can use ?

Symptoms: Bleeding after1 week of sex