Yale Study Finds Placenta Regulates Serotonin Delivery Rather Than Producing It During Pregnancy

A recent study conducted by researchers at Yale University challenges a long-standing belief about the role of the placenta in serotonin production during pregnancy. The findings indicate that the placenta does not produce serotonin, as previously thought, but instead regulates its delivery from the pregnant parent to the developing embryo and fetus. This discovery redefines the placenta’s function, describing it as a “serotonin shield” that controls how much serotonin reaches the unborn child.

The research highlights that serotonin, a key neurotransmitter involved in various physiological processes, originates from the pregnant individual rather than being synthesized within the placenta itself. The study suggests that the placenta plays a critical regulatory role by modulating serotonin levels to ensure proper development of the embryo and fetus. These findings provide new insights into placental biology and its impact on fetal health, potentially reshaping scientific understanding of maternal-fetal interactions during pregnancy.

Newsflash | Powered by GeneOnline AI

Source: GO-AI-ne1

Date: September 3, 2025

Author

Mark Chiang