Related Experiment Video
Updated: Mar 19, 2026

Determination of the Transport Rate of Xenobiotics and Nanomaterials Across the Placenta using the ex vivo Human Placental Perfusion Model
Published on: June 18, 2013
Presence and concentration of 17 hormones in human placenta processed for encapsulation and consumption
Sharon M Young1, Laura K Gryder2, David Zava3
1Metabolism, Anthropometry and Nutrition Laboratory, Department of Anthropology, University of Nevada, Las Vegas, 4505 S. Maryland Pkwy, Box 455003, Las Vegas, NV, 89154-5003, USA.
Human maternal placentophagy is a rare but growing practice in several industrialized countries among postpartum mothers seeking a variety of purported health benefits attributed to the practice. These postpartum mothers typically consume their placenta as a processed, encapsulated supplement. To determine whether free (unconjugated) steroid hormones and melatonin in placenta can survive the encapsulation process (namely steaming and dehydration), we analyzed 28 placenta samples processed for encapsulation using liquid chromatography tandem-mass spectrometry (LC-MS/MS) to evaluate the concentration of 17 hormones. The results revealed detectable concentrations for 16 of the hormones analyzed, some in concentrations that could conceivably yield physiological effects.
Human maternal placentophagy is a rare but growing practice in several industrialized countries among postpartum mothers seeking a variety of purported health benefits attributed to the practice. These postpartum mothers typically consume their placenta as a processed, encapsulated supplement. To determine whether free (unconjugated) steroid hormones and melatonin in placenta can survive the encapsulation process (namely steaming and dehydration), we analyzed 28 placenta samples processed for encapsulation using liquid chromatography tandem-mass spectrometry (LC-MS/MS) to evaluate the concentration of 17 hormones. The results revealed detectable concentrations for 16 of the hormones analyzed, some in concentrations that could conceivably yield physiological effects.
More Related Videos
Related Concept Videos
Gonadal and Placental Hormones
In males, testosterone is the primary gonadal androgen. It plays a central role in the maturation of male reproductive organs — the penis and testes. Additionally, testosterone is instrumental in the development of secondary sexual characteristics — a deep voice as well as facial and pubic hair...
Physiological Barriers
The blood endothelial barrier is the most porous of these. It allows all small ionized, un-ionized, and lipophilic molecules to pass through the endothelial lining into the interstitial space...
Hormonal Regulation
Hormonal Regulation
Types of Hormones
Intracellular Hormone Receptors

