But do condoms protect against pregnancy?

Properly used condoms are 98% effective in preventing pregnancy. They reduce but do not prevent some forms of STD.

If used properly, condoms are effective in preventing pregnancy. Efficiency can be enhanced by using spermicidal jelly. A condom may not protect against HPV, Herpes, LGV, syphilis, pubic lice etc. Visit this site for information: https://www.cdc.gov/std/default.htm Wish you good health!