![]() If sensitisation happens, the next time a woman is exposed to RhD positive blood, her body will immediately produce antibodies. These infection-fighting molecules identify and destroy the foreign blood cells. When women with RhD negative blood are exposed to RhD positive blood, generally during pregnancy with an RhD positive baby, their body responds to the RhD positive blood by producing antibodies (infection-fighting molecules). These antibodies drive an immune system attack against the baby, which the woman’s body identifies as an invader. Due to Rh incompatibility, the woman’s immune system reacts and creates Rh antibodies. It is called Rh incompatibility when a woman with Rh-negative is pregnant with a baby having Rh-positive blood. It will help identify whether the maternal blood cells carry the Rh factor protein or not. A baby may inherit the Rh factor from either of the parents.ĭoctors recommend a blood type and Rh factor screening test during a woman’s first prenatal visit. The pregnancy needs exceptional care if the woman is Rh-negative and the baby is Rh-positive (Rh incompatibility). ![]() Although an Rh-negative blood type is not an illness and usually does not affect a person’s health, it may affect pregnancy. Rh-positive is the most common blood type. A person is Rh-negative if their body lacks the Rh factor. If the blood in an individual’s body has the protein, a person is Rh-positive. What is the Rh factor?Īs mentioned, Rhesus (Rh) factor is an inherited protein found on the surface of red blood cells. This article will discuss the Rh factor screening test and its importance during pregnancy. It is important to note if the mother is Rh-negative and the child is Rh-positive. People are either Rh-positive, showing they have the protein, or Rh-negative, without this protein. The Rhesus factor, commonly called the Rh factor, is a type of protein found on blood cells in the body.
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