**5. Implantable contraception**

Implants are small, flexible, impermeable plastic rods about the size of a matchstick that are placed just under the skin of the upper arm [100, 101]. Over the past 35 years, various types of contraceptive implants have been approved in more than 60 countries; today, this method of contraception is used by millions of women worldwide [102]. Implants are a good choice for women of reproductive age who are sexually active and desire continuous, long-term contraception.

#### **5.1 Content**

Contraceptive implants include a progestin which is released in a low, steady dose into the bloodstream. The most common forms of progestin used in implants are LNG and etonogestrel.
