Me and my girlfriend get closed we kissed and hugged each other After some time she slept on the bed and I slept on her we were on cloths. My genital area was rubbing on her genital area with cloth. We were both fully clothed.  She was wearing inner and night pant underneath And I was wearing inner and shorts underneath. I ejaculated to Inside the my inner, maybe pre ejaculation or precum. I felt only my penis tip was wet. Full time we were on cloth we both didn't take off our clothes. Is it possible to sperm travel through 4 layer of cloths ( my inner through my shorts then my shorts through her night pant and then her inner and then vagina ) and get her pregnant ?