title: Differential fertility and morphological constitution of spouses.
mesh_terms: D000293:Adolescent; D000328:Adult; D000886:Anthropometry; D002648:Child; D002675:Child, Preschool; D005260:Female; D005298:Fertility; D005838:Genotype; D006801:Humans; D008297:Male; D008800:Mexico; D008875:Middle Aged; D010641:Phenotype