Results from a small study out of Thailand suggest the implant is safe and effective through 4 years of use ... the production of this manuscript. The etonogestrel-releasing subdermal (ENG ...

Expert Rev of Obstet Gynecol. 2011;6(1):45-56. Implanon is an etonogestrel-containing single sterile rod implant. Implanon was introduced in 1998, and was the first and remains the only single ...