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in utero

American  
[in yoo-tuh-roh] / ɪn ˈyu təˌroʊ /

adverb

  1. in the uterus; unborn.


in utero British  
/ ɪn ˈjuːtəˌrəʊ /

adverb

  1. within the womb

"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

Etymology

Origin of in utero

First recorded in 1705–15, in utero is from Latin in uterō

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.

Unlike the childhood circumstances that can affect height, the environmental exposures associated with autism for the most part take place in utero.

From Los Angeles Times

For instance, this line of research could clarify how babies begin recognizing familiar voices while still in utero.

From Science Daily

For babies exposed to the blood-borne virus in utero or during delivery, every minute the shot is delayed heightens the risk of transmission.

From Los Angeles Times

The mixture contained dioxin, a deadly substance that not only causes a range of cancers and other illnesses, but is also linked to birth defects for babies exposed in utero.

From Salon

Previous studies have found an increased risk of Type 2 diabetes and obesity later in life for infants exposed to GDM in utero.

From Science Daily