human in vitro fertilization

human in vitro fertilization

Any fertilization involving human sperm and ova that occurs outside the human body. See Assisted reproduction.
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Improved pregnancy rate in human in vitro fertilization with the use of a medium based on the composition of human tubal fluid.
Ethics Advisory Board, 1979, Report and Conclusions: HEW Support of Research Involving Human In vitro Fertilization and Embryo Transfer, Washington, D.
Much of what we know about the importance of preimplantation nutrition in humans we have learned from human in vitro fertilization studies that suggest that certain amino acids (among other essential nutrients) are necessary substrates for the development and viability of the conceptus posttransfer (Conaghan et at.
Colman also offered the scientists a sense of cloning's efficiency by comparing it with human in vitro fertilization (IVF).
Dolly was actually the beneficiary of well-established human in vitro fertilization technology: In the 277 tries, only 29 of the fused udder cells actually became embryos, which were implanted in 13 ewes, of which one became pregnant and gave birth.
Wolf, who also is director of the human in vitro fertilization laboratory at Oregon Health Sciences University, said he has already begun the process of producing a set of monkeys that would be identical.
The Post said lead researcher Don Wolf, a senior scientist at the Oregon Regional Primate Research Center in Beaverton and director of the human in vitro fertilization laboratory at Oregon Health Sciences University in Portland, said researchers do not plan to produce clones from adult monkeys.
Although human in vitro fertilization has become routine, it produces pregnancy only 20 to 25 percent of the time.
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