title: A comparative study of fertility in Mexico City and Caracas.
mesh_terms: D000293:Adolescent; D000328:Adult; D003431:Cross-Cultural Comparison; D005260:Female; D005298:Fertility; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008393:Marriage; D008800:Mexico; D008875:Middle Aged; D011247:Pregnancy; D014505:Urban Population; D014687:Venezuela