Pregnancy Tests Work by Detecting the Presence of the Human Chorionic Gonadotropin

9 Views· 02/21/23
TeachersPrincipals
TeachersPrincipals
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How do over-the-counter pregnancy tests work? Tien Nguyen explains in this lesson how each test performs a scientifically rigorous, multi-stage experiment that goes from start to finish in the time that it'll take you to watch this video.

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