Help!! 💊

So about 3 weeks ago I started the contraceptive pill when I got my period. About a week later me and my boyfriend had unprotected sex and he came inside of me.

After 3 weeks of taking the pill I have a week off where I get my period. I’ve taken it at 9pm every night without fail. Is there any chance I’m pregnant? It’s day 2 without the pill and still no bleeding... help!!