![]() Even without the anti-D immunoglobin, it is unlikely that antibodies would be produced quickly enough to harm the baby (NHS, 2021). This will reduce the likelihood of you developing an immune response to your baby’s rhesus positive blood during pregnancy (Qureshi et al, 2014 NHS, 2021).īeing rhesus negative is unlikely to cause a problem in a first pregnancy. If you do not have these antibodies, you will be offered injections of anti-D immunoglobin throughout your pregnancy. If your blood is rhesus negative, your blood sample will be checked for anti-D antibodies (NHS, 2021). the mother has been exposed to rhesus positive blood previously and has developed an immune response to it (this is called sensitisation).īlood testing during the antenatal booking appointment and at 28 weeks of pregnancy tell the healthcare team whether the three criteria listed above apply.their baby has a rhesus positive blood type.a mother has a rhesus negative blood type.It can appear when the following three occur together: This is because antibodies in a pregnant women’s blood attack her baby’s blood cells (NHS, 2021). Rhesus disease, or haemolytic disease of the foetus and newborn (HDFN), can lead to a baby having anaemia and jaundice. Blood tests are offered to pregnant women to be able to diagnose or prevent rhesus disease. If the father has one copy of the RhD antigen, there is a 50% chance of his child being rhesus positive (NHS, 2021).Ībout 15% of the UK population are rhesus negative (NHS, 2021). If the father has two copies of the RhD antigen, then all of his children will have rhesus positive blood. But you'll only have rhesus negative blood if you didn’t inherit any copies of the RhD antigen from your parents (NHS, 2021).Ī rhesus negative woman can only have a rhesus positive baby if their partner’s blood is rhesus positive. That means you might have inherited a copy of the RhD antigen from either or both of your parents. The blood test will also check for the RhD antigen and show whether you’re rhesus positive (RhD-positive) or rhesus negative (RhD-negative) (NICE, 2021).īlood types are inherited from your parents. ![]() You will be offered a test for your blood group (A, B, AB or O) at your initial booking in appointment (NHS, 2020).
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