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How Do Pregnancy Tests Work?
Video

How Do Pregnancy Tests Work?

How Do Pregnancy Tests Work?
Video

How Do Pregnancy Tests Work?

Image credit: Pixabay

Over-the-counter pregnancy tests give potentially life-changing results with a pretty high rate of accuracy. But how do they work? Tien Nguyen explains how each test performs a scientifically rigorous, multi-stage test that goes from start to finish in the time that it’ll take you to watch this video.

Lesson by Tien Nguyen, animation by Andrew Foerster.

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