Sex must be a four-letter word.
Howard
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D000569:Americas; D002410:Catholicism; D002835:Christianity; D003267:Contraception; D003710:Demography; D019049:Developed Countries; D004467:Economics; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D006301:Health Services Needs and Demand; D009656:North America; D011153:Population; D011157:Population Dynamics; D011158:Population Growth; D012067:Religion; D014481:United States
Americas; Catholicism; Christianity; Contraception; Critique; Demographic Factors; Developed Countries; Economic Factors; Family Planning; Needs; North America; Northern America; Population; Population Dynamics; Population Growth; Religion; United States