"کنڈوم" کے نسخوں کے درمیان فرق

|perfect_failure% = 2<ref name="Trussell 2011">{{cite book|last=Trussell|first=James|year=2011|chapter=Contraceptive efficacy|editor1-last=Hatcher|editor1-first=Robert A.|editor2-last=Trussell|editor2-first=James|editor3-last=Nelson|editor3-first=Anita L.|editor4-last=Cates|editor4-first=Willard Jr.|editor5-last= Kowal|editor5-first=Deborah|editor6-last=Policar|editor6-first=Michael S. (eds.)|title=Contraceptive technology|edition=20th revised|location=New York|publisher=Ardent Media|isbn=978-1-59708-004-0|issn = 0091-9721|oclc=781956734|pages=779–863}} Table 26–1 = <span class="plainlinks">[http://www.contraceptivetechnology.org/wp-content/uploads/2013/09/CTFailureTable.pdf Table 3–2 Percentage of women experiencing an unintended pregnancy during the first year of typical use and the first year of perfect use of contraception, and the percentage continuing use at the end of the first year. United States.] {{wayback|url=http://www.contraceptivetechnology.org/wp-content/uploads/2013/09/CTFailureTable.pdf |date=20131112130150 }}</span></ref>