When the truth finally clicked—that her youngest grandchild was having a baby—her face transformed with the kind of joy that can’t be rehearsed.

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 ...

Pregnancy tests work by identifying hCG, the pregnancy hormone. After fertilization, the embryo implants in the uterine ...