The paper submits data on the antigenic composition of HLA system in members of nuclear families of adolescent boys presenting with the delay in sexual maturation. Positive and negative associations of particular antigens with sexual underdevelopment are stated. Estimated in the families was the highest incidence rate of gaplotypes A 28-B 40, A 28-B 8, A 1-B 40, and A 3-B 40. The authors come out with a suggestion that it might be possible to use the identified antigens in prognostication of delayed puberty.
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