 [ Symptoms ] possibility of pregnancy i was having intercourse with my girlfriend a week after her period i had just finished for the first time and removed the condom the first condom i used had spermicide lube inside and outside the condom then when i went to put the second condom on no spermicide lube i put it on the wrong way at the time i still had my sperm residue on the tip of my penis i quickly flipped it and tried to dry off the condom i continued to use the condom that i flipped to have intercourse [ Disease ] hi its 5050 chance then if this was within the last 72 hours get to plan b unless your gf is not worried as perhaps she wants you to father her child for now if its past the 72 hours is wait good luck