If i touch sperm with my hand then wiped it with clothes and became dry nothing is visible. if i touch my vulva but did not insert my finger in my vagina just touch from outside. will it cause pregnancy or sperm is already dead and lost its motility?

Pregnancy is not possible in above circumstances. Contraception remains otherwise key in avoiding undesired pregnancy and associated anxiety, specifically when intercourse becomes possible.

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!