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I am a blood donor, the NBS have my blood group listed as A rh+. When i was pregnant with my fist childmy blood tests showed i am a rh-, when my midwife investigated this it turns out i have very slight +ve blood. So what i was wandering is how does this happen, i have been told for the purposes of donating i will be treated and rh+ but when recieving i will be treated as rh-. Just intesteded if anyone can shed some light on this for me? Thank you
Thank you, yes the blood service do check your type every time you donate, and blood type is also tested with each pregnancy, with both pregnancys i have anti-d. the midwife was very confused and had to call the blood service to double check their records then re-tested my blood for themselves.