Could I get pregnant ?

I’ve been on rigevidon for at least a year now. It’s one of the combined pills that you take for 21 days and then have a 7 day break for your period.

I’d taken all my pills correctly and then 2 days before my period I missed one accidentally. I then correctly took the one that was for the day before my period. Basically I missed one pill out of the set and it was 2 days before my period. I had sex without a condom with my boyfriend on the first day that I was off the pill for my period , he pulled out but I was just wondering if I was protected for that time and during my period like usual. Or if me skipping one meant I was at risk even though I took one the next day? (Day before we had sex)