title: Factors influencing lowered fertility in couples who never practised family planning: a study in rural India.
mesh_terms: D000293:Adolescent; D000328:Adult; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D006801:Humans; D007194:India; D007246:Infertility / Q000453:epidemiology; D008297:Male; D012424:Rural Population