Life What OB-GYNs want you to know about the birth control that lives in your arm July 8, 2022 Esther Bell, Reviewed Comments Off on What OB-GYNs want you to know about the birth control that lives in your arm The birth control implant, Nexplanon, is one of the most effective forms of birth control. How does Nexplanon work and how effective is Nexplanon?