LONG LASTING REVERSIBLE CONTRACEPTIVES can provide adolescents with the longest duration of protection. Long lasting reversible contraceptives are a form of birth control which provide long protection for users without requiring any action from them. These contraceptives can be found in form of injections, intrauterine devices and sub-dermal contraceptive implants. Their failure rate is about 1% per year and they can provide protection for as long as five years.