Subdermal contraceptive implants have only recently been approved for use in the United States. At present, only one subdermal contraceptive implant, Norplant, is approved in the United States. This article describes the development of Norplant, its efficacy and safety, a description of the system, education for clients, side effects, indications and contraindications, insertion and removal, incorporation into midwifery practice, and education for health professionals regarding its use.