How does the implant work on the body?

Dr Rosemary Leonard The progestogen hormone in the implant is called etonogestrel. It is released into the bloodstream at a slow, steady rate. The progestogen works mainly by stopping the release of the egg from the ovary. For more information on the contraceptive implant, go to https://patient.info/health/long-acting-reversible-contraceptives-larc/contraceptive-implant