When does your baby develop a heartbeat? A baby's heartbeat (at this point a fluttering of cells) starts as early as to 4 weeks after conception or 6 weeks after the first day of the last menstrual ...

When a woman in her mid-40s underwent a single, genetically normal embryo transfer, clinicians expected -- and counseled for -- a singleton pregnancy. What followed instead was one of the rarest ...

Researchers have identified the origin of cardiac cells using 3D images of a heart forming in real-time, inside a living mouse embryo. Researchers at UCL and the Francis Crick Institute have, for the ...

The findings shed light on the origins of congenital heart defects and could open new avenues in regenerative medicine and tissue bioengineering. A study published today in the journal Developmental ...

Congenital heart defects are the most common form of human birth defect, but we still don’t fully understand what causes them. Previous research had suggested that some heart defects could be ...