Mythili– name changed— from a village near Kallakurichi in Viluppuram district, was admitted to Government Hospital for Women and Children in Egmore on Saturday for the delivery of her second child. Doctors there identified her instantly. Less than two years ago, when she was admitted there for a C-section, doctors noticed that she had a rare blood group — HH negative group or the Bombay group.
While blood groups like A, B, AB and O are popular, the HH is rare. “In A group, the person has A antigen and B antibody. While those with AB have both the antigens and no antibodies, people with O group have only antibodies. In all these groups, there is another antigen called H. Those with Bombay group have all the three antibodies and none of the three antigens,” said Dr P Jayanthi, blood officer at …
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