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in vitro fertilization

(Encyclopedia) in vitro fertilizationin vitro fertilizationvēˈtrō, vĭˈtrō [key] (IVF), technique for conception of a human embryo outside the mother's body. Several ova, or eggs, are removed from the…

test-tube baby

(Encyclopedia) test-tube baby: see in vitro fertilization.

Steptoe, Patrick Christopher

(Encyclopedia) Steptoe, Patrick Christopher, 1913–88, British surgeon, M.D. St. George Hospital Medical School, Univ. of London, 1939. Steptoe worked at Oldham General Hospital from 1951 to 1980,…

embryo screening

(Encyclopedia) embryo screening, procedure (see genetic testing) in which a single cell is removed from an embryo two or three days after it has been conceived through in vitro fertilization and…

surrogate mother

(Encyclopedia) surrogate mother, a woman who agrees, usually by contract and for a fee, to bear a child for a couple who are childless because the wife is infertile or physically incapable of…

Edwards, Sir Robert Geoffrey

(Encyclopedia) Edwards, Sir Robert Geoffrey, 1925–2013, British physiologist, Ph.D. Edinburgh Univ., 1955. In 1963 he became a research fellow at Cambridge. He was associated with the university…

bioethics

(Encyclopedia) bioethics, in philosophy, a branch of ethics concerned with issues surrounding health care and the biological sciences. These issues include the morality of abortion, euthanasia, in…

clone

(Encyclopedia) clone, group of organisms, all of which are descended from a single individual through asexual reproduction, as in a pure cell culture of bacteria. Except for changes in the hereditary…

genetic testing

(Encyclopedia) genetic testing, medical screening for genetic disorders, by examining either a person's DNA directly or a person's biochemistry or chromosomes for indirect evidence. Testing may be…

eugenics

(Encyclopedia) eugenicseugenicsy&oomacr;jĕnˈĭks [key], study of human genetics and of methods to improve the inherited characteristics, physical and mental, of the human race. Efforts to improve…