Derivation of new mathematic formulas for determining whether a D-positive father is heterozygous or homozygous for the D antigen.

Abstract excerpt

OBJECTIVES: This article derives new mathematic formulas to calculate the probability that the husband of a D-negative woman is heterozygous for the D antigen. STUDY DESIGN: Current published formulas and tables that estimate this probability are biased in that they incorrectly assume that the father is randomly selected from the general population. With Bayes' theorem, new formulas were derived to eliminate this...

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