How do you know which one to choose?

There are a number of different methods of contraception all of which have their individual advantages and disadvantages. So as there is no clearly best method you have to decide which is most suitable for you. All forms of contraception work by preventing the fertilization of a woman's egg by a man's sperm. This can be achieved in various ways.

The first type are the barrier methods, which physically prevent sperm from swimming into the uterus and fertilizing the woman's egg. The second type are hormonal methods which alter a woman's hormonal cycle to prevent fertilization. There are the only types of contraception which are generally used by teenagers.

Other types of contraception which are generally not used by young people include the intrauterine device (IUD), which is generally not recommended for young women who have not had children; natural methods, which are often not effective enough; and sterilization which is a permanent surgical procedure.