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La contragestion (contraction de contra-gestation) désigne un mode d'action des méthodes de contrôle des naissances, défini par une intervention empêchant la nidation après le stade de la conception de l'embryon, c'est-à-dire après formation de la cellule-œuf par fécondation d'un ovule par un spermatozoïde.[réf. nécessaire]
La mifépristone, médicament anti-progestatif utilisé pour l'avortement, est appelée pilule contragestive sous l'impulsion d'Étienne-Émile Baulieu, qui étend l'action de la contragestion jusqu'après la nidation de l'œuf[1],[2],[3],[4], celle-ci agissant le plus souvent après la conception.
Bien que souvent utilisés comme synonymes dans le langage courant[réf. nécessaire], la contragestion peut être distinguée de la contraception qui, elle, intervient pour empêcher la fécondation de l'ovocyte[1]. La pilule du lendemain combine une action contraceptive (qui est sans effet si la fécondation a déjà eu lieu lorsque la pilule est prise) et une action contragestive.
Les dispositifs intra-utérins, tout comme les contraceptifs oraux par exemple, peuvent agir sur la progression des spermatozoïdes et sur la nidation[5],[6]. Ainsi, outre un léger effet contraceptif, ils ont également un fort effet contragestif[7]. Les premiers scientifiques à s'intéresser à cette nouvelle méthode sont Edmond Rosolen et Paul Kerbrat en 1985, ce qui aboutira à la création de la nouvelle molécule en 1989.[réf. nécessaire]
Certaines associations du mouvement « pro-vie » s'opposent à cette forme de contrôle des naissances, considérant que la vie d'un individu commence dès la conception.
Trans Metro PekanbaruArmada Trans Metro Pekanbaru tahun 2013Didirikan18 Juni 2009; 14 tahun lalu (2009-06-18)Wilayah layananKota PekanbaruJenis layananbus raya terpaduRute12 koridorOperatorDinas Perhubungan Kota Pekanbaru Trans Metro Pekanbaru (TMP) adalah sistem bus raya terpadu yang melayani Kota Pekanbaru, ibu kota Provinsi Riau. Sejarah Keputusan Menteri Perhubungan Nomor 111 Tahun 2009 memasukkan Kota Pekanbaru sebagai salah satu kota percontohan untuk transportasi di Indonesia. Peratu…
American physical education instructor and women's sports pioneer Clara Gregory Baer's original rules of Newcomb ball Clara Gregory Baer (August 27, 1863 – January 19, 1938)[1][2] was an American physical education instructor and women's sports pioneer. Baer introduced the first teacher certification course for physical education in the Southern United States, and authored the first published rules of women's basketball. She also developed the sport of Newcomb ball and played a…
Novel by N. K. Jemisin The Stone Sky First editionAuthorN. K. JemisinCountryUnited StatesLanguageEnglishSeriesThe Broken Earth trilogyGenreScience fantasyPublisherOrbitPublication dateAugust 15, 2017[1]Media typePrint, e-book, audiobookPages464[1]ISBN978-0-316-22924-1OCLC995310843Preceded byThe Obelisk Gate The Stone Sky is a 2017 science fantasy novel by American writer N. K. Jemisin. It was awarded the Hugo Award for Best Novel,[2][3] the Nebula …
غرينغوGringoملصق الفيلممعلومات عامةالصنف الفني فيلم كوميدي، فيلم حركة، فيلم دراماتاريخ الصدور 9 مارس 2018مدة العرض 110 دقيقةاللغة الأصلية الإنجليزيةالبلد الولايات المتحدةموقع الويب gringo-movie.com الطاقمالمخرج ناش إيدغرتونالقصة ماثيو ستونالسيناريو أنطوني تامباكيس، ماثيو ستونالبط
Kenyan public utility company Not to be confused with Kenya Electricity Generating Company. Kenya Power and Lighting CompanyTypePublicTraded asNSE: KPLCIndustryElectric utilityPredecessorMombasa Electric Power & Lighting Company Nairobi Power & Lighting SyndicateFounded6 January 1922; 101 years ago (1922-01-06) by mergerFounderHarrali Esmailjee Jeevanjee & Clement HertzelHeadquartersNairobi, KenyaKey peopleJoy Brenda Masinde,Chairperson of the Board of DirectorsDr. …
Pipotes de la muerte Ejemplo de barriles de desechos tóxicos.Fecha(s) Abril-Julio de 1987Lugar VenezuelaTipo Escándalo ambientalCausa(s) Llegada de 2 buques con barriles de desechos tóxicos provenientes de Italia a VenezuelaMedidas tomadas El gobierno crea una nueva legislación contra la importación de desechos tóxicos y el tratamiento de esta en el país.Se emiten órdenes de captura contra los responsables del hecho[editar datos en Wikidata] El caso conocido como Pipotes de la …
Morton Spitzname: Pumpkin Capital of the World Lage im County (rot) und Lage des Countys in Illinois Basisdaten Staat: Vereinigte Staaten Bundesstaat: Illinois County: Tazewell County Koordinaten: 40° 37′ N, 89° 28′ W40.611666666667-89.463333333333218Koordinaten: 40° 37′ N, 89° 28′ W Zeitzone: Central (UTC−6/−5) Einwohner: 17.117 (Stand: 2020) Haushalte: 6.721 (Stand: 2020) Fläche: 33,83 km² (ca. 13 mi²)davo…
Jung Jae-sungInformasi pribadiKebangsaan Korea SelatanLahir(1982-08-25)25 Agustus 1982Jeonju, Jeollabuk-do, Korea SelatanMeninggal9 Maret 2018(2018-03-09) (umur 35)Tinggi1,68 m (5 ft 6 in)Berat69 kg (152 pon; 10,9 st)PeganganKananPelatihHa Tae-kwonGanda putraPeringkat tertinggi1 (Januari 2009)Peringkat saat iniPensiun Rekam medali Bulu tangkis putra Mewakili Korea Selatan Olimpiade London 2012 Ganda putra Kejuaraan Dunia Hyderabad 2009 Ganda put…
Bifaz de sílex, productos secundarios y descartes a partir de un único núcleo lítico. Museo de Prehistoria de Valencia. Video de la fabricación de una herramienta de sílex. La industria lítica o tecnología lítica es la producción de herramientas líticas, es decir, herramientas de piedra (diferentes tipos de rocas y minerales), por oposición a la metalurgia. El hallazgo arqueológico de industria lítica, y del conjunto de utensilios que es su resultado, es una clara muestra de activi…
History museum in Belgrade, SerbiaMuseum of YugoslaviaМузеј Југославије25 May Museum, part of the Museum of YugoslaviaEstablished25 May 1962; 61 years ago (1962-05-25)LocationGospodar Jevremova 19, Belgrade, SerbiaCoordinates44°47′12″N 20°27′06″E / 44.78667°N 20.45167°E / 44.78667; 20.45167TypeHistory museumVisitors120,000 (2017)[1] The Museum of Yugoslavia (Serbian: Музеј Југославије, romanized: M…
3x3 basketball at the 2022 Mediterranean GamesVenueSidi M’hamed Public Garden CourtDates30 June – 3 JulyNations13Teams13 (men)11 (women)← 20182026 → The 3x3 basketball tournament at the 2022 Mediterranean Games in Oran took place from 30 June to 3 July 2022.[1][2] Medal summary Event Gold Silver Bronze Mendetails FranceArthur BruyasLéopold DelaunayMarcus GomisLorenzo Thirouard-Samson SerbiaMiloš AntićNikola KovačevićStefan MomirovNe…
First political party in the United States This article is about the late 18th to early 19th century American political party. For similarly named parties, see Federal Party (disambiguation) and Federalist § Political parties. Federalist Party FounderAlexander HamiltonFounded1789; 234 years ago (1789)Dissolved1835; 188 years ago (1835)HeadquartersWashington, D.C., U.S.NewspaperGazette of the United StatesIdeology Federalism[1] American School[…
« Guerre des Balkans » redirige ici. Pour les conflits qui ont divisé les Balkans dans les années 1912 et 1913, voir Guerres balkaniques. Ne doit pas être confondu avec Front yougoslave de la Seconde Guerre mondiale. Guerres de Yougoslavie Sens horaire depuis le haut : La police slovène escorte des soldats de l'Armée populaire yougoslave, lors de la guerre de Slovénie ; un char d'assaut T-72 détruit, lors de la bataille de Vukovar ; missiles serbes surplombant l…
Karar redirects here. For the Iranian unmanned aerial combat drone, see Karrar (UCAV). MG3 redirects here. Not to be confused with MG3 (automobile). General-purpose machine gun MG 3 A MG 3TypeGeneral-purpose machine gunPlace of originWest GermanyService historyIn service1959–presentUsed bySee UsersWarsNigerian Civil WarBangladesh Liberation War[1]Iran–Iraq WarLebanese Civil WarThe TroublesKurdish–Turkish conflictSecond Sudanese Civil War[2]Somali Civil W…
Female tourists who travel to engage in sexual activities Map of female sex tourism[1] Countries of origin: Australia, Austria, Belgium, Canada, Denmark, England, Finland, France, Germany, Ireland, Japan, Netherlands, New Zealand, Norway, Scotland, Slovenia, Sweden, United States, UK(Wales). Countries of destination: Albania, Bulgaria, Cambodia, Croatia, Cuba, Ecuador, Greece, Haiti, Indonesia, Italy, Jamaica, Morocco, Philippines, Portugal, Romania, Serbia, Spain, Tanzania,…
The stalks , leaves , husks, roots, etc. left after crop is harvested and processed This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages) This article includes a list of general references, but it lacks sufficient corresponding inline citations. Please help to improve this article by introducing more precise citations. (January 2013) (Learn how and when to remove this template message) This articl…
King of Aragon from 1213 to 1276 James IJaime in 1265, giving orders to a guard in the royal palaceKing of AragonCount of BarcelonaReign12 September 1213 – 27 July 1276PredecessorPeter IISuccessorPeter IIIBorn2 February 1208MontpellierDied27 July 1276 (aged 68)Alzira, ValenciaBurialPoblet MonasterySpouses Eleanor of Castile Violant of Hungary Teresa Gil de Vidaure Issueamong others... Violant, Queen of Castile Constance, Lady of Villena Peter III, King of Aragon James II, King of Majorca Isabe…
Агнешка Крищинськапол. Agnieszka KryszczyńskaНародилася 19 березня 1965(1965-03-19) (58 років)Країна Республіка ПольщаДіяльність астрономAlma mater Університет імені Адама Міцкевича у ПознаніЗаклад Університет імені Адама Міцкевича у ПознаніНауковий керівник Тадеуш МіхаловськийЧленство …
This article is about the First World War military unit. For the Second World War military unit, see Jagdgeschwader 2. Jagdgeschwader IIActive2 February 1918Disbanded13 November 1918CountryGermanyAllegianceGerman EmpireBranchLuftstreitkräfteColorsJagdgeschwader II: Royal blue fuselages/tailplanesJagdstaffel 12: White cowlingsJagdstaffel 13: Green cowlingsJagdstaffel 15: Scarlet cowlingsJagdstaffel 19: Yellow cowlingsEngagementsOperation Michael,Third Battle of the Aisne,Second Battle of the Mar…
Award presented at the Cannes Film Festival Best Actress AwardPrix d'interprétation féminine (French)2023 recipient: Merve DizdarAwarded forBest Performance by an ActressCountryFrancePresented byCannes Film FestivalFirst awarded1946Currently held byMerve Dizdar About Dry Grasses (2022)Websitewww.festival-cannes.com/en/ The Best Actress Award (French: Prix d'interprétation féminine) is an award presented at the Cannes Film Festival since 1946. It is given to an actress who has delivered …
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