The mysterious Rh factor-in human blood had disturbed the serenity of many a mother-to-be. For if a wife’s blood were Rh negative and a husband’s Rh positive, their child might be stillborn, or born ...

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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 ...

Most major blood groups were identified early in the 20th century. Many discovered since, like the Er system first described ...

One of the most important characteristics of blood is its type. Knowing your blood type is essential for several healthcare situations. Knowing someone's blood type is important for blood transfusions ...

Medically reviewed by David Hampton, MDMedically reviewed by David Hampton, MD The universal recipient blood type is AB positive (AB+), and the universal donor blood type is O negative (O-). People ...

Please provide your email address to receive an email when new articles are posted on . Few participants undergoing first trimester abortion had elevated fetal red blood cell counts. Not administering ...