How do pregnancy tests actually work?

from Chemistry For Your Life Hosted by Bleav + For Your Life

#210 Melissa and Jam dive into the science of home pregnancy tests. They explore the process in which these tests detect the presence of the hormone HCG, which signals a positive pregnancy result. The episode explains the roles of capillary action, antibodies, and enzymes in the test's operation and discusses the specificity needed to avoid false positives and negatives. The hosts also share personal anecdotes related to pregnancy tests and offer gratitude to their supportive community. This episode offers a fascinating look at how everyday chemistry impacts our lives in important ways. ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife 00:00 Introduction and Personal Experiences with Pregnancy Tests 00:17 Curiosity and Chemistry in Everyday Life 04:18 Acknowledging the Community and Supporters 05:09 The Science Behind Pregnancy Tests 06:33 How Pregnancy Tests Detect Hormones 13:19 Ensuring Accuracy in Pregnancy Tests 22:56 Introduction to the Blue and Yellow Balls Analogy 24:12 Understanding the Antibody Mechanism 26:45 Biotin and Its Impact on Test Results 29:33 Personal Stories and Fun Facts 32:06 The Benefits of the Pee Style Device 37:29 Conclusion and Listener Engagement References from this episode: https://www.acs.org/pressroom/reactions/library/how-do-pregnancy-tests-work.html https://www.compoundchem.com/2018/11/09/pregnancy-tests/ https://www.sigmaaldrich.com/US/en/technical-documents/technical-article/clinical-testing-and-diagnostics-manufacturing/ivd-manufacturing/intro-horseradish-peroxidase-hrp-applications?srsltid=AfmBOorCr6_j7sKr8ZBm3jQa4Rz-PdxyabPLY4OO-KtQJZESFXpdRe19#lateral-flow-assays https://www.ncbi.nlm.nih.gov/books/NBK555922/ https://www.thermofisher.com/us/en/home/life-science/protein-biology/protein-biology-learning-center/protein-biology-resource-library/pierce-protein-methods/overview-elisa.html#:~:text=The%20most%20commonly%20used%20enzyme,an%20HRP%20or%20AP%20conjugate. Thanks to our monthly supporters Vince W Julie S. Heather R Autoclave Chelsea M Dorien VD Scott B Jessie R Ciara L J0HNTR0Y Jeannette N Cullyn R Erica B Elizabeth P Sarah M Rachel R Letila Katrina B Suzanne P Venus R Lyn S Jacob T Brian K Emerson W Kristina G Timothy P Steven B Chris and Claire S Chelsea B Avishai B Hunter R ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife

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Melissa and Jam dive into the science of home pregnancy tests. They explore the process in which these tests detect the presence of the hormone HCG, which signals a positive pregnancy result. The episode explains the roles of capillary action, antibodies, and enzymes in the test's operation and discusses the specificity needed to avoid false positives and negatives. The hosts also share personal anecdotes related to pregnancy tests and offer gratitude to their supportive community. This episode offers a fascinating look at how everyday chemistry impacts our lives in important ways.