in vitro fertilization

in vitro fertilization

noun
a specialized technique by which an ovum, especially a human one, is fertilized by sperm outside the body, with the resulting embryo later implanted in the uterus for gestation.

Origin:
1970–75

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World English Dictionary
in vitro fertilization
 
n
IVF a technique enabling some women who are unable to conceive to bear children. Egg cells removed from a woman's ovary are fertilized by sperm in vitro; some of the resulting fertilized egg cells are incubated until the blastocyst stage, which are then implanted into her uterus

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American Heritage
Medical Dictionary

in vitro fertilization n.
Fertilization of an egg outside the body of a female by the addition of sperm, as a means of producing a zygote.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
in vitro fertilization  
Fertilization of an egg outside the body of a female by the addition of sperm, as a means of producing a zygote.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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