Approximate effectiveness of these reversible methods of birth control is measured in pregnancies per 100 actual users per year.

They are the most effective reversible methods of contraception because they do not depend on patient compliance.

In the first place, it was more effective than most previous reversible methods of birth control, giving women unprecedented control over their fertility.

IUDs work for several years (3 to 7 or more) and cost less over a year or two's time than most other reversible contraceptive methods.

If you're not 100% sure, a long-term, reversible method such as an IUD may be better.

It's a long-acting reversible method of contraception.

All long-acting reversible methods are very effective because while they're being used you don't have to remember to take or use contraception.

Many women choose the pill for contraception because it is an extremely reliable and reversible method.

Oral contraceptives, or birth control pills, are one of the most effective reversible methods of contraception.