Most people don't know their blood type, but there are a few ways you can find out. Here's what experts suggest.

Dear Dr. Roach: I am a 79-year-old female. I am in generally good health, but have a question about RhoGAM. When I had my children in the ’60s, I was in the original study conducted to see if my AB ...

Does your blood type – specifically, your Rh factor (positive or negative) – matter in your daily life? Not in the slightest. But when pregnant your Rh status can matter, especially if it's negative.

One of the most important characteristics of blood is its type. Knowing your blood type is essential for several healthcare ...

Blood is made up of red blood cells, white blood cells, platelets, and plasma. Markers called antigens are found on the surface of red blood cells, and differences in these markers classify various ...

Women who become pregnant quickly discover that pregnancy involves a lot of testing and monitoring. Routine blood work is part of the procedure, too. Individuals who learn they are Rh negative will ...

If there’s one thing we want to know about COVID-19, it’s probably this: What’s my risk of getting it? Researchers have identified certain things that make some people more vulnerable than others. Men ...

CLEVELAND, Ohio — Recent genetic studies suggest that people with certain blood types may be more likely to develop a severe form of COVID-19. A genetic study of 1,610 COVID-19 patients in Italy and ...