Pregnancy through briefs? I didn't finished, it was just pre cum

My gf and I were playing around and I had these sort of thin boxers on and she had nothing on. If dry humped her but my penis went in with my boxers still on is there a chance she could get My gf and I were playing around and I had these sort of thin boxers on and she had nothing on. If dry humped her but my penis went in with my boxers still on is there a chance she could get pregnant? She was wet which got my boxers wet. Could that moisture help sperm get into her vagina? I didn't cum but at most just pre cum? She was wet which got my boxers wet. Could that moisture help sperm get into her vagina? I didn't cum but at most just pre cum