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in vitro fertilization

American  

noun

  1. 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.


in vitro fertilization British  

noun

  1. 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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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


Etymology

Origin of in vitro fertilization

First recorded in 1970–75


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Examples include in vitro fertilization and intracytoplasmic sperm injection.

From MarketWatch ● Aug. 1, 2026

Their children were conceived through in vitro fertilization.

From Barron's ● May 18, 2026

For example, in vitro fertilization can cost between $25,000 to $30,000 for one cycle without medication.

From Salon ● Apr. 18, 2026

Fertility treatments: Large employer health plans will be required to cover infertility treatments, including in vitro fertilization, for everyone, regardless of marital status, gender identity or sexual orientation.

From Los Angeles Times ● Jan. 1, 2026

When that didn’t work, he recommended we move to in vitro fertilization.

From "Becoming" by Michelle Obama

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