I was with someone & we were both fully clothed(i was wearing underwear & gym pants, & she was wearing pants). i ejaculated while she was on top of me, but we were fully clothed. is there any chance of pregnancy? i know sperm requires a proper medium?

You are correct. In the scenario you described, pregnancy is not in the cards. It appears that you and your partner are moving in the direction of actual intercourse. It would be wise to learn about appropriate contraception. Here is some information regarding how one becomes pregnant: https://www.plannedparenthood.org/learn/pregnancy

Pregnancy is not possible in above circumstances, fabric acts as mechanical protection. Contraception remains otherwise key in avoiding undesired pregnancy and associated anxiety and when intercourse is likely to occur.

While you are not at risk of pregnancy from this episode, your behavior is putting you at risk of pregnancy and STDS. Visit this site for guidance on safe sex: https://www.hopkinsmedicine.org/health/wellness-and-prevention/safer-sex-guidelines Get HPV vaccine Use contraceptive all the time, every time. Wish you good health!