title: Field trial of a contraceptive foam in Puerto Rico.
authors.forename: M E
authors.initials: ME
authors.lastname: Paniagua
mesh_terms: D000367:Age Factors; D000569:Americas; D017691:Caribbean Region; D003267:Contraception; D003268:Contraception Behavior; D003625:Data Collection; D003710:Demography; D003906:Developing Countries; D004467:Economics; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D007843:Latin America; D015993:Life Tables; D009656:North America; D010298:Parity; D010342:Patient Acceptance of Health Care; D011203:Poverty; D011647:Puerto Rico; D012106:Research; D012494:Sampling Studies; D012923:Social Class; D012959:Socioeconomic Factors; D013089:Spermatocidal Agents; D014622:Vaginal Creams, Foams, and Jellies
chemical_list: D013089:Spermatocidal Agents; D014622:Vaginal Creams, Foams, and Jellies
keywords: Acceptor Characteristics; Age Factors; Americas; Caribbean; Contraception; Contraceptive Effectiveness; Contraceptive Methods; Contraceptive Usage; Demographic Analysis; Developing Countries; Economic Factors; Evaluation; Family Planning; Latin America; Life Table Method; Low Income Population; Method Acceptability; North America; Parity; Puerto Rico; Research Methodology; Sampling Studies; Social Class; Socioeconomic Factors; Socioeconomic Status; Studies; Surveys; Use-effectiveness; Vaginal Foam; Vaginal Spermicides