Women in the United States make use of different methods for contraception or the prevention of pregnancy. These methods include hormonal implants, injectable, intrauterine devices (IUD), tubal sterilization, vasectomy, and so on. The Food and Drug Administration (FDA) is the regulatory agency that assists women of the safest maximum period they can use such methods.
Washington University School of Medicine researchers recently discovered that such long-term contraceptives could still be effective a year after its expiry. The study involved 500 participants, 237 used implants, while the remaining used an IUD. The FDA added that the most effective methods include IUDs and contraceptive implants that last for 5 and 3 years respectively.