Question

how are condoms effecive in prevention of pregnancy​

Answer 1

Explanation:

If you use condoms perfectly every single time you have sex, they're 98% effective at preventing pregnancy. But people aren't perfect, so in real life condoms are about 85% effective — that means about 15 out of 100 people who use condoms as their only birth control method will get pregnant each year.

Answer 2

Answer:they prevents sperms from entering into the vagina

Explanation: