Enter both parents' ABO type and Rh factor to see every blood type their child could inherit, based on standard Mendelian genetics.
This blood type calculator is for general education only. Do not use it for transfusion selection, donor compatibility, paternity or maternity conclusions, pregnancy management, Rh treatment, newborn care, diagnosis, or emergency decisions. It does not replace laboratory typing, antibody screening, crossmatching, DNA testing, or professional medical care. Consult qualified clinicians and accredited laboratories for individual decisions.
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