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If mother has type o positive blood and newborn has a positive can it cause a crossover causing hemolysis or jaundice?

1 doctor weighed in
Dr. James Ferguson
Pediatrics

In brief: A to O set up

You do not need crossover to set up a problem of hemolysis if baby has this type.
Mom's system can become sensitized in her lifetime to dietary products that will cause antibody formation to the blood type a, and this is usually only a problem after birth when the hemolysis and bilirubin disposal relies on babies system to keep the jaundice under control. Docs monitor and treat as needed.

In brief: A to O set up

You do not need crossover to set up a problem of hemolysis if baby has this type.
Mom's system can become sensitized in her lifetime to dietary products that will cause antibody formation to the blood type a, and this is usually only a problem after birth when the hemolysis and bilirubin disposal relies on babies system to keep the jaundice under control. Docs monitor and treat as needed.
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