An IUD is a small, T-shaped device that’s placed in your uterus. It must be prescribed by a doctor, who will place it in your uterus during an outpatient procedure. Five brands of IUDs approved ...

Hormonal IUDs may begin working immediately or take up to seven days to become effective, lasting anywhere from three to eight years, depending on the brand. Nonhormonal (copper) IUDs start ...

Medically reviewed by Renita White, MD An intrauterine device (IUD) is a small, T-shaped device that’s placed inside the ...

The copper IUD must be inserted by a doctor ... While there are several popular brands — including Plan B One-Step, My Way, Take Action, and After — the effectiveness is the same no matter ...