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Showing results for in vitro fertilization. Search instead for in-vivo-fertilization.

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.

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

From Salon • Apr. 18, 2026

Nelson was still married in 2020 when the fertility clinic called her at work with devastating news: Her husband had just requested the destruction of the embryos they created through in vitro fertilization, or IVF.

From The Wall Street Journal • Nov. 23, 2025

In what Abdallah described as a series of miracles, nobody was in the clinic last Saturday morning and its in vitro fertilization lab remained intact despite the mighty force of the explosion.

From Los Angeles Times • May 22, 2025

What about in vitro fertilization treatments or ear piercings?

From Slate • Feb. 12, 2025

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

From "Becoming" by Michelle Obama