am i pregnant ?

Saksham

I had sex with my bf on 23rd dec.. 26th was my due date but it started on 5th jan and lasted for 3 days..(usually lasts 4) after that we didnt have sex.. now my period has still not started 7-10th was my should have been my due date coz my cycle is of 30-37 days(irregular).

Is there any possibility of me being pregnant ? I am really tensed.. please help