The frog test is a pregnancy testing method relying on frogs to show the pregnancy status of women. Provided that immunological pregnancy tests were not yet developed before 1960s, women living a century ago relied on urine-based pregnancy tests using different animals, ranging from mice to frogs. Nowadays, the advancement in medical technology has enabled women to accurately check their pregnancy status by using 'pee-on-a-stick' pregnancy test kits at home. Before these accessible and convenient test kits were invented, scientists strived to discover a way in spotting pregnancy-related hormones by a natural, simple test, where animals were often included as clinical tools to facilitate the process. The frog test or frog pregnancy test is one of the past prevalent pregnancy scanning method
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| - Prova de la granota (ca)
- Froschtest (de)
- Test de la rana (es)
- Frog test (en)
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| - Froschtest oder Krötentest (Galli-Mainini-Test) ist eine historische Methode zur Schwangerschaftsfrüherkennung, also ein biologischer Schwangerschaftsnachweis. (de)
- El test o la prueba de la rana es una prueba de embarazo desarrollada en 1930, basada en la reacción de un anuro a las hormonas presentes en la orina de una persona embarazada. (es)
- La prova de la granota era una prova d'embaràs que es va usar intensivament fins als anys 60 del segle xx, quan es van desenvolupar els mètodes immunològics, però que continua usant-se en zones rurals de molts països llatinoamericans per la seva simplicitat i el baix cost que té. Consisteix a injectar a una granota o a un gripau femelles, sota la pell, l'orina de la pacient. L'orina d'una dona embarassada conté l'hormona hCG, que estimula l'ovulació de l'animal. Si la granota fresava en 24 hores, el test es considerava positiu. L'animal sobrevivia i podia ser utilitzat per a un altre test, tot i que amb un interval d'uns 40 dies. (ca)
- The frog test is a pregnancy testing method relying on frogs to show the pregnancy status of women. Provided that immunological pregnancy tests were not yet developed before 1960s, women living a century ago relied on urine-based pregnancy tests using different animals, ranging from mice to frogs. Nowadays, the advancement in medical technology has enabled women to accurately check their pregnancy status by using 'pee-on-a-stick' pregnancy test kits at home. Before these accessible and convenient test kits were invented, scientists strived to discover a way in spotting pregnancy-related hormones by a natural, simple test, where animals were often included as clinical tools to facilitate the process. The frog test or frog pregnancy test is one of the past prevalent pregnancy scanning method (en)
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| - still some unencyclopedic phrasing; table might be better moved to a more general article (en)
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| - La prova de la granota era una prova d'embaràs que es va usar intensivament fins als anys 60 del segle xx, quan es van desenvolupar els mètodes immunològics, però que continua usant-se en zones rurals de molts països llatinoamericans per la seva simplicitat i el baix cost que té. Consisteix a injectar a una granota o a un gripau femelles, sota la pell, l'orina de la pacient. L'orina d'una dona embarassada conté l'hormona hCG, que estimula l'ovulació de l'animal. Si la granota fresava en 24 hores, el test es considerava positiu. L'animal sobrevivia i podia ser utilitzat per a un altre test, tot i que amb un interval d'uns 40 dies. Aquest test es va desenvolupar a Sud-àfrica als anys 30 del segle XX per part dels investigadors Hogben, Zwarenstein i Shapiro. Per als experiments es va utilitzar l'espècie de granota Xenopus laevis, que després es va exportar a tot el món, fet que l'ha convertit en una plaga que amenaça la fauna local en alguns països on va aconseguir escapar als ambients naturals. Un mètode que porta el mateix nom, però basat en un fenomen biològic diferent que requereix mascles en comptes de femelles, va ser desenvolupat per a l'Argentina (1947), amb el gripau . La injecció al sac limfàtic dorsal del gripau provoca l'ejaculació de l'animal en el termini de les tres hores següents. Aquest mètode després es va ampliar a altres espècies per part d'investigadors com Ramírez Olivilla, Benach i Martell a Cuba (1948), amb la granota toro; i Wiltberger i Miller als Estats Units (1948), amb la granota . (ca)
- Froschtest oder Krötentest (Galli-Mainini-Test) ist eine historische Methode zur Schwangerschaftsfrüherkennung, also ein biologischer Schwangerschaftsnachweis. (de)
- The frog test is a pregnancy testing method relying on frogs to show the pregnancy status of women. Provided that immunological pregnancy tests were not yet developed before 1960s, women living a century ago relied on urine-based pregnancy tests using different animals, ranging from mice to frogs. Nowadays, the advancement in medical technology has enabled women to accurately check their pregnancy status by using 'pee-on-a-stick' pregnancy test kits at home. Before these accessible and convenient test kits were invented, scientists strived to discover a way in spotting pregnancy-related hormones by a natural, simple test, where animals were often included as clinical tools to facilitate the process. The frog test or frog pregnancy test is one of the past prevalent pregnancy scanning methods. Throughout history, there have been different frog tests with the aim of indicating the pregnancy status of women. The most well known frog test, is the Hogben test, which is a pregnancy testing method prevalent throughout the 1940s to 1960s, by using the underlying principle of hormones and its subsequent biological response in both genders of certain frog species. The Galli-Mainini test is another frog test developed based on similar principles. Widespread export and traffic in African clawed frogs used for these tests is believed to have been the primary cause of the intercontinental spread of chytridiomycosis. (en)
- El test o la prueba de la rana es una prueba de embarazo desarrollada en 1930, basada en la reacción de un anuro a las hormonas presentes en la orina de una persona embarazada. (es)
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