Pregnant after bc

Cheyenne • 20. JDC👫. Angel baby👼🏽. Baby girl coming in March 🥰🤰🏻

How many of you have gotten pregnant on your first cycle off of birth control. I had gotten pregnant on 1-2 missed pills in march and got pregnant and miscarried in June. And I hadn't been able to get my bc this month so we were half trying. But I wanna know the chances just in case