The chances of a person getting pregnant after sex is approximately one in five over a period of one month if no contraception is used. To avoid pregnancy you have to either use a form of contraception or abstain from sex. The choice is up to the person but if you decide to have sex you need to know how to use contraception or expect to get pregnant.
Depending on the type of contraception, some forms afford more protection against sexually transmitted disease and are easier to use, with lesser side effects, than others.
Forms of Contraception
Let us consider the different options available to people in New Zealand. Each form of contraception has it's advantages and disadvantages and each item is considered in the various subsections. Contraception can be ellicited via chemical means or by simple barriers or a combination of the two. Barriers prevent sperm and ovum from combining and therefore causing pregnancy. Chemical agents may act as a spermicide (killing the sperm or reducing their action) or by chemically "fooling" the woman's body into a state where no pregnancy is possible.
The common types of contraception are:
Follow the links above to read more about each contraceptive method.