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What is the difference between Rh-negative and Rh-positive?
GaleEncyofMedicine
love, magic, undescribable, chickenfirst/eggfirst. If you stop to look for this answer, you will find it, every once in a while on your liferoad. You will see and feel the answer, without words.
Wiki User
∙ 15y ago
Wiki User
∙ 14y agoEach person's blood is one of four major types: A, B, AB, or O. Blood types are determined by the types of antigens on the blood cells. Antigens are proteins on the surface of blood cells that can cause a response from the immune system. The Rh factor is a type of protein on the surface of red blood cells. People who have the Rh factor are Rh-positive. Those who do not have the Rh factor are Rh-negative.
If you are Rh-negative and pregnant, you may develop antibodies to an Rh-positive baby. If a small amount of the baby's blood mixes with your blood, which often happens, your body may respond as if it were allergic to the baby. Your body may make antibodies to the Rh antigens in the baby's blood. This means you have become sensitized and your antibodies can cross the placenta and attack your baby's blood.
Wiki User
∙ 13y agoNo. Rh D is was the POS in O POS is refering to. Your blood is tested against three Anti sera to gat a blood type Anti-A, Anti-B, and Anti-D. If your blood coagulates with Anti-D, your are Rh POS.
Wiki User
∙ 13y agoIf the D antigen is present, that person is Rh-positive; if the D antigen is absent, that person is Rh-negative.
Wiki User
∙ 11y agothe rh factor tells you if you have the d antigen - no + yes
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