what iwas dripping down my leg???

okay, so my son's dad and i have had sex without condoms many times when we were trying to get pregnant, and the sperm would always drip out of my vagina afterwards. well we arent together anymore and we still have sex sometimes but always with a condom. i have never noticed this happening with condoms because obviously he isn't ejaculating inside of me, but the condom.. so the other day he ejaculated(with condom) and stayed inside of me for like half a minute, then pulled out and while i was getting dressed, i felt something dripping down my leg so i grabbed a towel and wiped it off thinking nothing of it, but then as time goes on, i keep thinking about it and im curious if anyone has any idea if it could have just been from me and like our sexual "fluids" or if it was probably sperm dripping down my leg. i just thought it was super odd because it's never happened when we used a condom before... and im freaking out lol