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Date: 2014-03-06 12:44:46Pregnancy Demography Fertility Hormonal contraception Obstetrics Unintended pregnancy Combined oral contraceptive pill Abortion Spermicide Medicine Human reproduction Birth control | Factors Associated with Contraceptive Use and Nonuse, United States, 2004Add to Reading ListSource URL: www.guttmacher.orgDownload Document from Source WebsiteFile Size: 122,87 KBShare Document on Facebook |