There is a lot of information contained on the site already about condoms.

We cannot (over emphasise) how important it is to use condoms to prevent the spread of sexually transmitted infections and also condoms are the only method of contraception, which protects you from catching HIV.

The following section however describes methods of contraception, which are more efficient at preventing pregnancy. There is nothing wrong with using condoms to prevent infection and using an additional contraceptive method to prevent pregnancy. We would recommend this in many situations.