@CNN: IUDs are more than 99% effective in preventing pregnancy, and some can work up to 12 years, but a 2016 survey found that many women still don’t know anything about these longer-acting reversible contraceptives.

Here’s what you need to know. https://t.co/g3NBJKP3Ui https://t.co/LleYw5ZxjH

IUDs are more than 99% effective in preventing pregnancy, and some can work up to 12 years, but a 2016 survey found that many women still don't know anything about these longer-acting reversible contraceptives.

Here's what you need to know. https://t.co/g3NBJKP3Ui pic.twitter.com/LleYw5ZxjH

— CNN (@CNN) June 28, 2018