What days of my menstrual cycle am i most likely to get pregnant?

Espe • 🙈🍁🐼🌙🏹💛☁️

So ik you shouldn't use it as a contraceptive method, but i'd like to know, and i'm also on the pill (Diane 35) so my cycle is regular and since i'm on the pill i have a backup for birth control.. i guess

sooo what days of my menstrual cycle am i most unlikely to get pregnant???