in utero

adverb or adjective
\ in-ˈyü-tə-ˌrō How to pronounce in utero (audio) \

Definition of in utero

: in the uterus : before birth a disease acquired in utero an in utero diagnosis

Examples of in utero in a Sentence

Recent Examples on the Web The paper is an exciting advance and tackles a challenge scientists face studying mammal embryos in utero, said Marianne Bronner, a professor of biology at the California Institute of Technology in Pasadena (Caltech). Madeline Holcombe, CNN, 5 Sep. 2022 The massive loss of oocytes in utero occurs throughout much of the animal kingdom. Sandee Lamotte, CNN, 20 Aug. 2022 In contrast to the in utero years needed by a mammoth, the thylacine may only need a few weeks. John Timmer, Ars Technica, 16 Aug. 2022 In pushing their version, House leaders had cited the case of Kate Dineen, who, at 33 weeks pregnant, learned that her son had suffered a catastrophic stroke in utero. Matt Stout,, 29 July 2022 The virus in the mother’s blood can pass through the placenta and infect the developing baby in utero. Essence, 19 July 2022 The more degraded actual life becomes on earth, the more fervently conservatives will fight to protect potential life in utero. Jia Tolentino, The New Yorker, 16 July 2022 Christina Perri is opening up about her daughter Rosie, who died in utero in 2020, and how the heartbreaking experience has sparked her desire to raise awareness for pregnant women with blood-clotting disorders. Vanessa Etienne,, 13 July 2022 Several doctors confirmed a diagnosis—multicystic dysplastic kidney—while my daughter was in utero. Demaris Mills, Forbes, 24 June 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'in utero.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of in utero

1713, in the meaning defined above

History and Etymology for in utero


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The first known use of in utero was in 1713

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in usum Delphini

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Last Updated

28 Sep 2022

Cite this Entry

“In utero.” Dictionary, Merriam-Webster, Accessed 2 Oct. 2022.

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More Definitions for in utero

in utero

adverb or adjective
\ in-ˈyüt-ə-ˌrō How to pronounce in utero (audio) \

Medical Definition of in utero

: in the uterus : before birth a disease acquired in utero an in utero diagnosis

in utero

adverb or adjective
\ in-ˈyü-tə-rō How to pronounce in utero (audio) \

Legal Definition of in utero

: in the uterus : before birth an injury suffered in utero that her condition could possibly be linked to in utero exposureBurgess v. Eli Lilly & Co., 995 F.2d 646 (1993)

History and Etymology for in utero



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