1/15/2024 0 Comments Rh factor positive meansSee the next section for more information on what a sensitising event could be. You should also have anti-D within 72 hours of any possible sensitising event, when there’s a risk your baby's blood has mixed with yours (NICE 2008b, Qureshi et al 2014). Some maternity units offer one high-dose injection of anti-D at 28 weeks to 30 weeks pregnancy instead (NHS BT 2016, NHS 2018, Qureshi et al 2014). Your midwife is likely to offer you an anti-D jab at 28 weeks and 34 weeks of pregnancy (NHS BT 2016, NHS 2018, Qureshi et al 2014). Your midwife will inject anti-D into your upper arm, usually straight into your muscle but sometimes the injection goes into a vein (NHS BT 2016). This means that you will not have antibodies in your system to cause haemolytic disease (HDFN) in this or your next pregnancy (NHS BT 2016). Anti-D works by rapidly destroying any fetal blood cells in your circulation before you can make antibodies. It's important to prevent antibodies from being made, because once they're produced, they stay in your blood forever. What do anti-D injections do?Having an injection of anti-D can prevent your system from making antibodies (McBain et al 2015, NICE 2008a). ![]() It's simple to avoid the possibility of HDFN affecting your baby, as long as you go to your antenatal appointments and have the treatment your midwife offers (NHS BT 2016, NICE 2008a, b, Qureshi et al 2014). In severe cases, HDFN can cause permanent brain damage and neurological problems in your baby, such as cerebral palsy, and physical or speech problems (NICE 2008b). She may then become jaundiced, which is a sign of haemolytic disease of the fetus and newborn (HDFN), or haemolytic disease of the newborn (HDN). ![]() After she’s born, your baby's liver won't be able to cope with the volume of blood cells that need breaking down. If the anaemia becomes severe, it can lead to life-threatening problems for your unborn baby, such as heart failure, fluid retention and swelling (NHS 2018, NICE 2008b). How does rhesus disease affect my baby during pregnancy and after birth?When your baby's blood cells are attacked, rhesus disease causes anaemia. Your antibodies start to attack your baby's blood cells during pregnancy and can carry on attacking them for a few months after the birth (NHS 2018). However, if you are not treated with anti-D, the immune response in your second pregnancy will be stronger than the first pregnancy and can cause rhesus disease in your baby (NHS BT 2016, NICE 2008a). How long after taking folic acid can I get pregnant?.Sperm allergy: can sperm cause itching?.Best car seats if you need three to fit.Best formula and bottles for a windy baby.Is your child ready for school?Top tips for starting school.Think you're pregnant but the test is negative?. ![]() How many days after your period can you get pregnant?.
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