Anyone got pregnant by missing one mini pill?

This has never happened to me! I went to go take my pill on boxing day night and my Christmas day pill was still there! We has sex early hours 1-2 am boxing day! Ive never not taken a pill and then had sex!!!! Its 9 days after now i had sharp crampy pain 3 days after and 5 days after i was crampy and very bloated felt like i needed to poop but i didnt need to very uncomfortable. Waiting til 2 weeks to take a test but has anyone else got pregnant by missing a pill x