Am i at risk of getting pregnant?

Patient: Hi my name is sophie. i need to ask you something, i recently found out i have polycystic ovary syndrome and have been put on co-cyprindiol. i was staying at a hotel last night for a competition and i met a lad, we ended up sleeping together. thing is i didnt realise i needed to start taking the tablets AFTER my next period and i just took it straight away and while i was staying at the hotel i was losing a bit of blood (before i slept with the lad). am i at risk of becoming pregnant?