Medically reviewed by Amelia MacIntyre, DO There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative.Knowing your blood type is important for safe blood ...

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 ...

The doctor may also recommend a dose of this vaccine for the pregnant woman if she miscarries or experiences any kind of bleeding during pregnancy. Put simply: the RH factor is an inherited protein ...

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.

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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 negative blood ...

Dear Dr. Roach: My wife is Rh negative, and I am Rh positive. Our baby (fetus) is positive. I am worried about my wife and my baby. Is this dangerous? What can be done? This is her second pregnancy. — ...

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 ...

One out of every eight marriages in the U.S. is a potentially dangerous mismatch, biochemically speaking. In these 200,000 or more marriages a year, the wife lacks the Rh factor present in most blood ...