Do I need to use protection to give head (oral sex)?

How can I avoid catching an STI/STD from having sex?

How do I say that I want us to use a condom?

I just had unprotected sex. What is emergency contraception?

When is the best time to have safe sex to avoid pregnancy?

A guy I found on a dating app took his condom off during sex. He came outside but could I get pregnant?

In a threesome, if the guy is wearing the same condom and alternating, can that pass STIs/STDs?

Can a condom be used more than once?

Can a vasectomy be undone?

Will a vasectomy make me impotent?