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10 Νοε 2022 · Rh factor incompatibility only becomes an issue during pregnancy when you’re Rh-negative and the fetus is Rh-positive. Your provider treats Rh incompatibility with an injection of Rh immunoglobulin (RhIg).
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.
24 Μαρ 2020 · Usually, we don’t have to worry about blood type when deciding to have a child. However, there are some exceptions. In particular, an Rh negative mother can sometimes have pregnancy complications - though doctors have an easy way to fix this issue!
23 Ιουλ 2018 · When a woman and her unborn baby carry different Rhesus (Rh) protein factors, their condition is called Rh incompatibility. It occurs when a woman is Rh-negative and her baby is Rh-positive.
10 Ιουλ 2023 · If a pregnant person is Rh negative, and the other genetic parent is Rh negative, the fetus will be Rh negative, and there is no risk of Rh incompatibility. If a pregnant person is Rh positive, there is no risk of Rh incompatibility, regardless of the other parent's Rh type.
A baby may have the blood type and Rh factor of either parent, or a combination of both parents. Rh factors follow a common pattern of genetic inheritance. The Rh-positive gene is dominant (stronger) and even when paired with an Rh-negative gene, the positive gene takes over:
When this happens, a small number of pregnant women with Rh-negative blood who carry an Rh-positive fetus will become sensitized and make antibodies against the Rh factor. These antibodies can attack and break down fetal Rh-positive red blood cells.
