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Conjoined twins are twins whose bodies are anatomically joined in utero. The degree to which the twins are attached can range from simple, involving…
Twins, ConjoinedReproductionFetusCarl Gottfried Hartman researched the reproductive physiology of opossums and rhesus monkeys. He was the first to extensively study the embryology…
PeopleReproductionBiographyOpossumsmonkeysThe Supreme Court of New Jersey decided the case of Berman v. Allan on 26 June 1979, brought by Shirley Berman and Paul Berman and their daughter…
LawWrongful lifeReproductionbioethicsZhang Lizhu is a Chinese gynecologist and researcher. For most of her career, she worked in the Peking Medical College Third Hospital, renamed in…
PeopleReproductionBiographyFertilizationParasitic twins, a specific type of conjoined twins, occurs when one twin ceases development during gestation and becomes vestigial to the fully…
Twins, ConjoinedReproductionFetusCongenital DisordersHuman DevelopmentTwin-to-Twin Transfusion Syndrome (TTTS) is a rare placental disease that can occur at any time during pregnancy involving identical twins. TTTS…
Fetofetal TransfusionReproductionFetusCongenital DisordersHuman DevelopmentDiprosopus is a congenital defect also known as craniofacial duplication. The exact description of diprosopus refers to a fetus with a single trunk,…
Craniofacial AbnormalitiesReproductionFetusCongenital DisordersRobert Geoffrey Edwards worked with Patrick Christopher Steptoe to develop in-vitro fertilization (IVF) techniques during the 1960s and 1970s in the…
PeopleFertilization in VitroReproductionBiographyFertilizationThe biomedical accomplishment of human in vitro fertilization and embryo transfer (IVF-ET) took years to become the successful technique that…
ReproductionExperimentsFertilizationCharles Benedict Davenport was an early twentieth-century experimental zoologist. Davenport founded both the Station for Experimental Evolution and…
PeopleEugenicsReproductionZoologypublic health