Quote:
Originally Posted by Antonia
I'm O Rh neg...
Interesting thing about Rh neg... if you become pregnant and your baby's blood is not Rh neg... your anti bodies that you pass on attack the babies own blood and the baby in bygone days ,was born Blue and died... nowadays we get an injection to stop this .... but... it shows that if RH neg is another alien contribution to Earth Human blood...it had a nasty built in system that ensured only babies with RH neg blood survived when born of their Rh-neg mother!!!
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exactly. Without the new technology only the first child would survive it s/he were born Rh positive. However if the child was Rh(-) then there was no problem with having another child.