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Many difficulties can arise with a pregnancy even after the sperm successfully fertilizes the oocyte. A major problem occurs if the fertilized egg…
Ectopic PregnancyPregnancy, EctopicReproductionHuman DevelopmentmedicineOn 29 September 1973, researchers David De Kretzer, Peter Dennis, Bryan Hudson, John Leeton, Alexander Lopata, Ken Outch, James Talbot, and Carl Wood…
LiteratureEmbryologyEmbryogenesisZygotesEmbryo TransferImplantation is a process in which a developing embryo, moving as a blastocyst through a uterus, makes contact with the uterine wall and remains…
FetusPregnancyEmbryologyDevelopmental BiologyEmbryosThe most-watched NOVA documentary ever made and a revolution in the understanding of human development, The Miracle of Life (abbreviated Life)…
LiteratureReproductionHuman DevelopmentRobert Geoffrey Edwards, a British developmental biologist at University of Cambridge, began exploring human in vitro fertilization (IVF) as a way to…
Fertilization in VitroExperimentsReproductionFertilizationOocytesZygote intrafallopian transfer (ZIFT) is an assisted reproductive technology (ART) first used in 1986 to help those who are infertile conceive a…
TechnologyZygote Intrafallopian TransferReproductionFertilizationIn 1983, researchers Alan Trounson, John Leeton, Carl Wood, Mandy Besanko, and Angelo Conti published the article “Pregnancy Established in an…
LiteratureFertilization in VitroIn vitro fertilizationEgg donorsTest-Tube BabiesIn Davis v. Davis (1992), the Supreme Court of Tennessee decided a dispute over cryopreserved preembryos in favor of Junior Lewis Davis, who sought…
LawFrozen human embryosFertilization in VitroAmerican Fertility SocietyConceptionVarious techniques constitute assisted reproduction, one of which is gamete intra-fallopian transfer (GIFT). The first example of GIFT involved…
TechnologyReproductionIn A.Z. v. B.Z. (2000), the Supreme Judicial Court of Massachusetts in Boston, Massachusetts, affirmed a lower courtÕs decision, ruling that…
LawFrozen human embryosFertilization in VitroPregnancyEmbryos