Reproductive impairments among married couples: United States.
D000293:Adolescent; D000328:Adult; D005006:Ethnicity; D005260:Female; D005298:Fertility; D006801:Humans; D007247:Infertility, Female / Q000453:epidemiology*; D007248:Infertility, Male / Q000453:epidemiology*; D008297:Male; D008393:Marriage; D010298:Parity; D012959:Socioeconomic Factors; D013223:Statistics as Topic; D011795:Surveys and Questionnaires; D014481:United States