Episode

BrainStuff

HowStuffWorks

Science & Medicine, Natural Sciences, Society & Culture, Technology

Chart Positions

Natural Sciences 5
Science & Medicine 16

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

How Do IUDs Work?

May 4th, 2016

Episode 1006 of 1069 episodes

Intrauterine devices (IUDs) are a popular and effective method of birth control. So why don't Americans use them?

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