Maternal stress could leave epigenetic imprints on genes in the placenta associated with cortisol -- a necessary hormone for fetal development -- and this would affect the baby's development from very ...

Scientists have developed a new human-based endometrial model to study embryonic implantation in the early stages of pregnancy.

New stem cell-based embryo model reveals previously unknown communication between early tissues that become the spine and muscles in the central part of the body. From the moment an embryo starts to ...

Whale placentas only float on the surface of the ocean briefly, so collecting them for scientific study is incredibly rare.