The different types of IUDs and how to decide which is best for you – Business Insider India

  • There are five types of IUDs, all of which are more than 99% effective at preventing pregnancy.
  • IUDs can be divided into one of two categories: hormonal and non-hormonal.
  • Which IUD is best for you depends on how long you want it for and your hormonal sensitivity.

Intrauterine devices, or IUDs, are some of the most effective forms of contraception. There are several types of IUDs available and they work in different ways. Here’s a breakdown of the types of IUDs and how to choose the best one for you.

How do IUDs work?

IUDs are a type of long-acting reversible contraception (LARC), meaning they last for several years and do not affect your fertility once removed. They are small, T-shaped devices that are placed in the uterus by a qualified provider in a doctor’s office, says Erica Chang, MD, an OB-GYN with Keck Medicine of USC in Glendale, California.

IUDs are meant to prevent pregnancy and do not protect against sexually transmitted infections (STIs), Chang says. They are more than 99% effective at preventing pregnancy. Fewer than 1 out of 100 people who get an IUD will get pregnant each year.


There are two main categories of IUDs:

  • A hormonal IUD contains a synthetic form of the hormone progesterone called levonorgestrel.
  • A non-hormonal IUD is made of copper and does not contain