Traditionally, physicians have informed patients that long acting reversible contraceptives are “just as effective“ as female sterilization. While as a Class that statement is correct, not all individual LARCS have the same efficacy; one in particular beats all other birth control methods, hands-down. Do you know which one? In this session we will review key facts regarding female sterilization and review the individual efficacies of long acting reversible contraceptives. We will also review the historic “math model” for female sterilization.