Help me please

Patient: I had protected and unprotected sex during end of my period. My periods are irregular and last for 5 days and near end always brown blood discharge. I took the ecp pill 3 hours on the day I had sex and was near end of my period. No symptoms of the ecp pill and been 8 days when I had sex.My expected period next month 11,12,13 one of those days. Could I be pregnant ?

Symptoms: No symptoms