preterm

adjective

pre·​term (ˌ)prē-ˈtərm How to pronounce preterm (audio)
ˈprē-ˌtərm
: of, relating to, being, or brought forth by premature birth
a preterm infant
preterm labor

Examples of preterm in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Pregnancy complications such as miscarriage and preterm birth put mothers and children at risk, making solutions necessary to find. Maria Mocerino, Interesting Engineering, 13 Sep. 2025 In Mississippi, the leading causes are congenital malformations, preterm birth, low birth weight, and sudden infant death syndrome (SIDS). Tabitha St. Bernard-Jacobs, Parents, 8 Sep. 2025 However, she was soon diagnosed with a short cervix, which increases the risk of preterm birth or miscarriage. Alyce Collins, MSNBC Newsweek, 7 Sep. 2025 When temperatures remain at or above 75 degrees Fahrenheit overnight, there is a 4% increase in preterm births — babies born before 37 weeks, instead of the full-term gestation of at least 39 weeks — in the days that follow, according to research conducted by the Heat Policy Innovation Hub. Jessica Meszaros, Miami Herald, 3 Sep. 2025 See All Example Sentences for preterm

Word History

First Known Use

1928, in the meaning defined above

Time Traveler
The first known use of preterm was in 1928

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Cite this Entry

“Preterm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/preterm. Accessed 17 Sep. 2025.

Medical Definition

preterm

adjective
pre·​term -ˈtərm How to pronounce preterm (audio)
: of, relating to, being, or born by premature birth
preterm infants
a preterm delivery
preterm labor
Last Updated: - Updated example sentences
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