Type O: The most common blood type, with about 45% of the population having it; O-negative, the universal donor blood type, ...

People with type O blood enjoy a slightly lower risk of heart disease and blood clotting, but they may be more susceptible to ...

Your baby is more likely to have this condition if their blood type is Rh-positive and yours is Rh-negative. Hemolytic disease of the fetus and newborn is more common in a second or third ...

It detailed the existence of a new blood type, first proposed in the 1980s – and of which there are now 45 to date. This particular discovery was born from tragedy. A baby died suddenly shortly ...

This rarer type occurs when there is an incompatibility between the red blood cells of the mother and baby. For instance, when a pregnant woman has Rh-negative blood, and her unborn baby has Rh ...

The unborn baby was in trouble. Its mother’s doctors, at a UK hospital, knew there was something wrong with the fetus’s blood, so they decided to perform an emergency C-section many weeks ...