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How Do Pregnancy Tests Work?
Season 5
Episode 64
There are many ways to find out if you’re pregnant. One is to wait and see. For those of us who are a little less patient, there’s the take-home chemistry kit known as a pregnancy test. But how do a little strip of paper and a few drops of urine tell you whether or not you’ve got a bun in the oven?
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9:53
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13:06
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