Can sperm travel through underwear and shorts?

Can sperm travel through underwear and shorts? My boyfriend ejaculated in his underwear and I’m worried about a weird uncommon pregnancy.

Lorena (iel/they)

Hi AN,


Thank you for reaching out to us with your question! 🙂

Sperm can’t really travel through underwear and shorts. Those are several layers of clothing which prevent it from causing a pregnancy. For a pregnancy to occur, the sperm has to reach inside the vagina or at the very least be right at the vaginal entrance, and even then, chances for pregnancy are low because sperm can’t survive outside for long. 

If you’re still worried, I recommend taking a pregnancy test just to be sure.


I hope this answers your question and don’t hesitate to contact us again if needed!

Lorena (she/they), sexology student