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Contraceptive sponge
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{{short description|Birth control device}} {{Infobox Birth control |name = Contraceptive sponge |image = Γponge spermicide.jpg |width = 230 |caption = Protectaid sponge, in its plastic tray. It is removed from the tray before use. |tradename = [[Today sponge|Today]], Safe-T |bc_type = Barrier |date_first_use = 1983 |rate_type = Failure |perfect_failure% = [[Nulliparous]]:9%<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.|title=Contraceptive technology|edition=20th revised|location=New York|publisher=Ardent Media|isbn=978-1-59708-004-0|issn = 0091-9721|oclc=781956734|pages=779β863}} Table 26β1 = <span class="plainlinks">[http://www.contraceptivetechnology.org/wp-content/uploads/2013/09/CTFailureTable.pdf Table 3β2 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.] {{Webarchive|url=https://web.archive.org/web/20170215224018/http://www.contraceptivetechnology.org/wp-content/uploads/2013/09/CTFailureTable.pdf |date=2017-02-15 }}</span></ref><br>[[Gravidity and parity|Parous]]:20 |perfect_failure_ref = <ref name="Trussell 2011"/> |typical_failure% = [[Nulliparous]]:12%<ref name="Trussell 2011"/><br>[[Gravidity and parity|Parous]]:24 |typical_failure_ref = <ref name="Trussell 2011"/> |duration_effect = |reversibility = Immediate |user_reminders = |clinic_interval = |STD_protection_YesNo = No |periods_advantage = |benefits = May be inserted 12β24 hours before intercourse |periods_disadvantage = |weight_gain_YesNo = |risks = [[yeast infection]], rarely [[toxic shock syndrome]] |medical_notes = }} The '''contraceptive sponge''' is a contraceptive which combines [[barrier contraception|barrier]] and [[Spermicide|spermicidal]] methods to prevent [[fertilisation|conception]]. Sponges work in two ways. First, the sponge is inserted into the vagina, so it can cover the [[cervix]] and prevent any sperm from entering the [[uterus]]. Secondly, the sponge contains [[spermicide]].<ref name=pp>{{cite web|url=http://www.plannedparenthood.org/health-topics/birth-control/birth-control-sponge-today-sponge-4224.html|title=Bith Control Sponge|access-date=13 September 2014|url-status=dead|archive-url=https://web.archive.org/web/20140109010052/http://www.plannedparenthood.org/health-topics/birth-control/birth-control-sponge-today-sponge-4224.html|archive-date=9 January 2014}}</ref>
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