Are Pregnancy Chances Minimized After Taking The ECP Despite Vaginal Ejaculation?

Gd evng sir i hd a sex on 13 feb bt it was not proper means i not sure dat semen entered into my body first tym i hd immediatly within half an hour i took unwanted72 can there b any chance of pregnancy my next period date will b 2 march nd penis didnt entered my vagina fully..pls tell me