me and my gf was on ech other..by the time i ejaculated .. with wet underwear and boxer i rubbed my penis over her vgina.. she was also wet and without clothes.. i touched my wet boxer and then inserted my finger into her vgina.. (probably inserted..as i dun remember)... cn she get pregnent.. by how much time it is benefitial to usei pill..vl it work aftr 24 hour..???