Help i think im pregnant! and im only 15!

Patient: Okay so i just got on the depo shot (birth control) in the middle of december and i got my period on January 7th and im still on it January 14th. i had unprotected sex on January 12th. could i pregnant considering i am on birth control but i was on my period?

Doctor: Hello! Thank you for your query.Generally when you are having bleeding (period) the chances of conception are very mee k. Precisely there are no chances.