So if you're engaging in any of these activities, you might want to use a condom. You'll be able to make better decisions to protect yourself and your partner. Just keep the following tips in mind if you choose to use a condom for hot tub sex or pool sex:. In warm water with no chemicals like a bathtubsperm could only last for a few minutes after a man ejaculates. Well, sperm can pass through fabric and it might technically be possible to cause a pregnancy this way, but Minkin says it's highly unlikely, even if the underwear touching the vulva is saturated with semen.
In case you missed sex education class, let's briefly go over how getting pregnant works.
The same goes for any sex toys, such as dildos or vibrators, or other objects that get inserted into the vagina that might have sperm on them. Asian Journal of Andrology.