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Updated: Feb 23, 2026

Quantitating Iron Transport Across the Mouse Placenta In Vivo Using Nonradioactive Iron Isotopes
Published on: May 10, 2022
Nutritional composition and heavy metal content of the human placenta
Sydney Chang1, Laura Lodico1, Zev Williams2
1Department of Obstetrics and Gynecology and Women's Health, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY, 10461, United States.
Abstract:
Despite the vital and diverse roles of the placenta, remarkably little is known about its actual composition. Moreover, as placentophagy becomes increasingly popular, understanding the nutritional and heavy metal composition of the human placenta has practical implications. Here we evaluated the carbohydrate, sugar, protein, fat, cholesterol, vitamin, and heavy metal composition of the human placenta from uncomplicated singleton pregnancies and found that it contains a significant amount of cholesterol, protein, iron, and selenium, but no detectable levels of cadmium, arsenic, or mercury.
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