in a fetus while it develops these systems. Despite being one of the most important organs, the placenta is one of the least understood. “It’s such a fascinating organ,” said Norah Fogarty, a ...

View Full Profile. Learn about our Editorial Policies. Approximately five days post fertilization (dpf), the blastocyst develops. The inner cell mass gives rise to the fetus, while the surrounding ...

Maternal stress could leave epigenetic imprints on genes in the placenta associated with cortisol—a necessary hormone for ...