What is the definition or description of: implanon?

Implant birth contrl: Implanon is birth control method manufactured by merck pharmaceuticals. It is a single rod implant that is inserted under the skin in the forearm. It is a Progesterone containing long acting contraceptive with a duration of action of 3 years.

Good birth control: Implanon is a small rod about the size of a matchstick that is inserted underneath the skin of the upper arm that slowly releases a progestin hormone that very effectively presents pregnancy for 3 years. It is easy to insert using numbing medicine, takes a very short time to insert, and is as effective as sterilization. A similar device, called Nexplanon is now available.