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The Guthrie test, also called the PKU test, is a diagnostic tool to test infants for phenylketonuria a few days after birth. To administer the…
TechnologyGuthrie, Robert, 1916-1995PhenylketonuriaMental RetardationAmino acids--Metabolism--DisordersJosef Warkany studied the environmental causes of birth defects in the United States in the twentieth century. Warkany was one of the first…
Abnormalities, HumanVitamin ARetinoidsHypervitaminosiscalomelStanley Alan Plotkin developed vaccines in the United States during the mid to late twentieth century. Plotkin began his research career at the…
VaccinesViral vaccinesRubellaRubella--VaccinationRubella virusThalidomide is a sedative drug introduced to European markets on 1 October 1957 after extensive testing on rodent embryos to ensure its safety. Early…
ContextTeratogenicity testingAbnormalities, HumanThalidomide--Side effectsThalidomideIn April 1994, Elizabeth Raymond, Sven Cnattingius, and John Kiely published “Effects of Maternal Age, Parity, and Smoking on the Risk of Stillbirth…
LiteratureFetal deathStillbirthPregnancyGestational AgeThe Stazione Zoologica Anton Dohrn (Anton Dohrn Zoological Station) is a public research institute focusing on biology and biodiversity. Hereafter…
OrganizationStazione zoologica di NapoliDevelopmental BiologyZoologyEmbryologyCarl Gottfried Hartman researched the reproductive physiology of opossums and rhesus monkeys. He was the first to extensively study the embryology…
PeopleReproductionBiographyOpossumsmonkeysAs of 2022, Trisomy 21 is the most common type of trisomy, or a condition where the person has three instead of the normal two copies of one of the…
Genetic DisordersGenetic disorders in childrenGenetic disorders in pregnancyGenetic disorders--DiagnosisDown syndromeIn the 2012 case Texas Medical Providers Performing Abortion Services v. David Lakey, a US appeals court ruled as constitutional a Texas law that…
LawAbortionAbortion servicesAbortion--Law and legislation--United StatesAbortion--Law and legislationStanley Paul Leibo studied the cryopreservation of embryos in the US in the twentieth century. Cryopreservation is a method of preserving biological…
Low temperature engineeringCryonicsScience and civilizationEmbryo transplantationCryotherapy