A lot happens in the first month of human embryo development as a single cell morphs into multitudes. Yet despite its significance, this period is basically a “black box” to researchers, says stem ...

By studying genetic data from nearly 140,000 IVF embryos, scientists have with unprecedented detail revealed why fewer than ...

At two months pregnant, your baby is rapidly developing key organs and features. Learn about common symptoms, what changes to expect, and helpful tips for navigating early pregnancy’s physical and ...