Using copper and nickel silver associated with: A breakthrough in intrauterine contraception

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The addition of silver and nickel increases the contraceptive effectiveness of copper IUDs. A clinical study was presented in 672 women with 6.982 months-use. Pregnancy rates were 0.0% at 12 months of use in 245 women with devices containing Cu + Ag and Cu + Ni. Copper only, pregnancy were 1.5% and...

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Detalles Bibliográficos
Autor: Hurtado, Hilario
Formato: artículo
Fecha de Publicación:2015
Institución:Sociedad Peruana de Obstetricia y Ginecología
Repositorio:Revista SPOG - Revista Peruana de Ginecología y Obstetricia
Lenguaje:español
OAI Identifier:oai:ojs.spog:article/769
Enlace del recurso:http://www.spog.org.pe/web/revista/index.php/RPGO/article/view/769
Nivel de acceso:acceso abierto
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spelling Using copper and nickel silver associated with: A breakthrough in intrauterine contraceptionUso de cobre asociado a plata y niquel: Un avance en contracepción intrauterinaHurtado, HilarioThe addition of silver and nickel increases the contraceptive effectiveness of copper IUDs. A clinical study was presented in 672 women with 6.982 months-use. Pregnancy rates were 0.0% at 12 months of use in 245 women with devices containing Cu + Ag and Cu + Ni. Copper only, pregnancy were 1.5% and with the same metal IUDs, 4.4%. 200 control women with Lippes C and D group showed 2.5% of pregnancies. Incidences of bleeding and first expulsions were about twice that Lippes, probably due to the design of the device rather than metals. There were no significant differences in subsequent expulsions and occurrence of pain and vaginal discharge. The feasibility of using pairs Cu + Ag and Cu + Ni in a model more appropriate IUD is discussed. Postcoital test sperm by recovery in 76 patients has demonstrated an almost complete absence of sperm in the uterine cavity in the presence of metallic IUDs, while no metal IUDs sperm migration was not affected. This may be an additional mechanism as intrauterine contraceptive effectiveness of metals.El agregado de plata y de níquel aumenta la efectividad contraceptiva de los DIU con cobre. Se presenta un estudio clínico en 672 mujeres con 6,982 meses-uso. Las tasas de embarazos fueron de 0.0% a los 12 meses de uso en 245 mujeres con dispositivos conteniendo Cu + Ag y Cu + Ni.  Con cobre sólo, los embarazos fueron de 1.5 % y con el mismo DIU sin metal, de 4.4 %. Un grupo control de 200 mujeres con Lippes C y D mostró 2.5 % de embarazos. Las incidencias de primeras expulsiones y de hemorragias fueron aproximadamente el doble que con Lippes, debido probablemente al diseño del artefacto antes que a los metales. No hubo diferencias significativas en las expulsiones posteriores y ocurrencia de dolor y leucorrea. Se discute la factibilidad del uso de los pares Cu + Ag y Cu + Ni en un modelo de DIU más adecuado. Mediante pruebas de recuperación espermática postcoital en 76 pacientes se ha demostrado la casi total ausencia de espermios en la cavidad uterina en presencia de DIU metálicos, mientras que en los DIU sin metal la migración espermática no quedó afectada. Esto puede constituir un mecanismo adicional de la mayor efectividad contraceptiva de los metales intrauterinos.Sociedad Peruana de Obstetricia y Ginecología2015-06-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.spog.org.pe/web/revista/index.php/RPGO/article/view/76910.31403/rpgo.v19i769Revista Peruana de Ginecología y Obstetricia; Vol. 19, Núm. 3 (1973); 155-1622304-51322304-5124reponame:Revista SPOG - Revista Peruana de Ginecología y Obstetriciainstname:Sociedad Peruana de Obstetricia y Ginecologíainstacron:SPOGspahttp://www.spog.org.pe/web/revista/index.php/RPGO/article/view/769/728info:eu-repo/semantics/openAccess2021-05-17T15:50:12Zmail@mail.com -
dc.title.none.fl_str_mv Using copper and nickel silver associated with: A breakthrough in intrauterine contraception
Uso de cobre asociado a plata y niquel: Un avance en contracepción intrauterina
title Using copper and nickel silver associated with: A breakthrough in intrauterine contraception
spellingShingle Using copper and nickel silver associated with: A breakthrough in intrauterine contraception
Hurtado, Hilario
title_short Using copper and nickel silver associated with: A breakthrough in intrauterine contraception
title_full Using copper and nickel silver associated with: A breakthrough in intrauterine contraception
title_fullStr Using copper and nickel silver associated with: A breakthrough in intrauterine contraception
title_full_unstemmed Using copper and nickel silver associated with: A breakthrough in intrauterine contraception
title_sort Using copper and nickel silver associated with: A breakthrough in intrauterine contraception
dc.creator.none.fl_str_mv Hurtado, Hilario
author Hurtado, Hilario
author_facet Hurtado, Hilario
author_role author
dc.contributor.none.fl_str_mv

dc.description.none.fl_txt_mv The addition of silver and nickel increases the contraceptive effectiveness of copper IUDs. A clinical study was presented in 672 women with 6.982 months-use. Pregnancy rates were 0.0% at 12 months of use in 245 women with devices containing Cu + Ag and Cu + Ni. Copper only, pregnancy were 1.5% and with the same metal IUDs, 4.4%. 200 control women with Lippes C and D group showed 2.5% of pregnancies. Incidences of bleeding and first expulsions were about twice that Lippes, probably due to the design of the device rather than metals. There were no significant differences in subsequent expulsions and occurrence of pain and vaginal discharge. The feasibility of using pairs Cu + Ag and Cu + Ni in a model more appropriate IUD is discussed. Postcoital test sperm by recovery in 76 patients has demonstrated an almost complete absence of sperm in the uterine cavity in the presence of metallic IUDs, while no metal IUDs sperm migration was not affected. This may be an additional mechanism as intrauterine contraceptive effectiveness of metals.
El agregado de plata y de níquel aumenta la efectividad contraceptiva de los DIU con cobre. Se presenta un estudio clínico en 672 mujeres con 6,982 meses-uso. Las tasas de embarazos fueron de 0.0% a los 12 meses de uso en 245 mujeres con dispositivos conteniendo Cu + Ag y Cu + Ni.  Con cobre sólo, los embarazos fueron de 1.5 % y con el mismo DIU sin metal, de 4.4 %. Un grupo control de 200 mujeres con Lippes C y D mostró 2.5 % de embarazos. Las incidencias de primeras expulsiones y de hemorragias fueron aproximadamente el doble que con Lippes, debido probablemente al diseño del artefacto antes que a los metales. No hubo diferencias significativas en las expulsiones posteriores y ocurrencia de dolor y leucorrea. Se discute la factibilidad del uso de los pares Cu + Ag y Cu + Ni en un modelo de DIU más adecuado. Mediante pruebas de recuperación espermática postcoital en 76 pacientes se ha demostrado la casi total ausencia de espermios en la cavidad uterina en presencia de DIU metálicos, mientras que en los DIU sin metal la migración espermática no quedó afectada. Esto puede constituir un mecanismo adicional de la mayor efectividad contraceptiva de los metales intrauterinos.
description The addition of silver and nickel increases the contraceptive effectiveness of copper IUDs. A clinical study was presented in 672 women with 6.982 months-use. Pregnancy rates were 0.0% at 12 months of use in 245 women with devices containing Cu + Ag and Cu + Ni. Copper only, pregnancy were 1.5% and with the same metal IUDs, 4.4%. 200 control women with Lippes C and D group showed 2.5% of pregnancies. Incidences of bleeding and first expulsions were about twice that Lippes, probably due to the design of the device rather than metals. There were no significant differences in subsequent expulsions and occurrence of pain and vaginal discharge. The feasibility of using pairs Cu + Ag and Cu + Ni in a model more appropriate IUD is discussed. Postcoital test sperm by recovery in 76 patients has demonstrated an almost complete absence of sperm in the uterine cavity in the presence of metallic IUDs, while no metal IUDs sperm migration was not affected. This may be an additional mechanism as intrauterine contraceptive effectiveness of metals.
publishDate 2015
dc.date.none.fl_str_mv 2015-06-05
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://www.spog.org.pe/web/revista/index.php/RPGO/article/view/769
10.31403/rpgo.v19i769
url http://www.spog.org.pe/web/revista/index.php/RPGO/article/view/769
identifier_str_mv 10.31403/rpgo.v19i769
dc.language.none.fl_str_mv spa
language spa
dc.relation.none.fl_str_mv http://www.spog.org.pe/web/revista/index.php/RPGO/article/view/769/728
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Sociedad Peruana de Obstetricia y Ginecología
publisher.none.fl_str_mv Sociedad Peruana de Obstetricia y Ginecología
dc.source.none.fl_str_mv Revista Peruana de Ginecología y Obstetricia; Vol. 19, Núm. 3 (1973); 155-162
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