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At 28 weeks of pregnancy—A small number of Rh-negative women may be exposed to Rh-positive blood cells from the fetus in the last few months of pregnancy and may make antibodies against these cells. RhIg given at 28 weeks of pregnancy destroys these Rh-positive cells in the woman’s body.
10 Ιουλ 2023 · Also, Rh factor doesn't develop on the fetus's red blood cells before eight weeks of pregnancy, so early pregnancy loss or termination is less of a risk. If you are Rh negative, you might need medication to prevent anti-Rh antibody formation during your pregnancy and/or after delivery.
10 Νοε 2022 · Detecting Rh incompatibility early in pregnancy is the best way to prevent serious complications. If your body already has Rh antibodies, the fetus is at risk for Rh disease. Since Rh immune globulin won’t be helpful, the best treatment is close monitoring for the remainder of your pregnancy.
In a first pregnancy with an Rh-positive fetus, the baby often is born before the woman’s body develops many antibodies, so there may be no serious problems. In a second pregnancy with an Rh-positive fetus, these antibodies are more likely to cause anemia in the fetus.
9 Αυγ 2022 · Rh sensitization is unlikely to harm the first Rh-positive baby that you carry, because you’ll rarely come into contact with your baby ’s blood until labor and delivery, meaning the antibodies...
If the mother has not already been sensitized to Rh positive blood, she may be given Rh immunoglobulin (RhIg). This will prevent being sensitized if the baby is Rh positive. Sometimes an incompatibility may happen when the mother is blood type O and the baby is either A or B.
The Rh factor can cause problems if you are Rh negative and your fetus is Rh positive. This is called Rh incompatibility. These problems usually do not occur in a first pregnancy, but they can occur in a later pregnancy.
