Hi good afternoon
Thnxs for your question
For pregnancy sperms have to ejelated inside vagina and sperm have to fertilized egg and that fertilized egg have to implement in uterus.
Small quantity of sperm not reach to egg inside fallopian tubes and not pass through cloths as u mentioned in ur text.
So don't worry too much
If u missed ur regular period than do urinary
pregnancy test with morning sample and inform me result so that I can advise u in better way
For further guidance on it and medicine
Use my online consulting link so that we can discuss ur quary and advise you accordingly and guide u
MY Online link is
prac.to/drpanchani