Pregnant? Help please:((((?

Okay me and my girlfriend had sex on the last day of her period she has like a 29 day cycle and she ovulated 9 days later what's the chances of her getting preggo I did not *** in her but idk about ore *** and I just wanna know your opinions like slim likely or mos likely and we are Plannin to get a pregnancy test we just wanna know what u think