Implanon

Implanon is a thin, flexible plastic, matchstick-sized implant that is inserted under the skin of the upper arm by a health care professional. It protects against pregnancy for up to three years. Like Depo-Provera, it uses the hormone progestin to suppress ovulation and thicken cervical mucus to prevent sperm from reaching an egg.

*Like other forms of hormonal birth control, Implanon does not protect against Sexually Transmitted Diseases (STD).