in·​tra·​uter·​ine ˌin-trə-ˈyü-tə-rən How to pronounce intrauterine (audio) -ˌrīn How to pronounce intrauterine (audio)
: situated, used, or occurring within the uterus
intrauterine insemination
also : involving the part of development that takes place in the uterus
intrauterine mortality

Examples of intrauterine in a Sentence

Recent Examples on the Web Liesl did three rounds of intrauterine insemination (IUI) and in vitro fertilization. Women's Health, 13 July 2023 In some instances, physicians are unsure whether the pregnancy is a failed intrauterine pregnancy (where fetal viability is not detected inside the uterus), an ectopic pregnancy that just wasn’t detected yet on the ultrasound, or another type of abnormal pregnancy. Wired, 7 Aug. 2022 Male infertility contributes to or causes about 40% to 50% of infertility in heterosexual couples.12 Before going forward with fertility treatments, like intrauterine insemination (IUI) or in vitro fertilization (IVF), couples may benefit from having the male partner's fertility tested first. Karen Pallarito, Health, 12 May 2023 The couple conceived with the help of to intrauterine insemination, according to the hospital, which noted that during the pregnancy, one egg divided into four parts, creating the identical quadruplets, while another remained intact, growing into their son. Laura Barcella, Peoplemag, 13 Apr. 2023 Research on the seas:What weird new parasites on Antarctic fish tell us about climate change around the world Studying without sacrificing Before the hammerhead or the tiger shark, before any of the high-tech intrauterine tracking or high-seas searching, there was a controversy. The Arizona Republic, 20 Mar. 2023 Today, the pill is still exclusively a female method to prevent pregnancy, but women can also choose from several different methods, including the pill, the patch, the vaginal ring, the sponge, the injection, the intrauterine implant (IUD) and the diaphragm. Manasee Wagh, Popular Mechanics, 20 May 2022 Solemnly, Campbell described scenarios in which patients may endure inevitable miscarriage, in which a fetus still has cardiac activity though a miscarriage is well underway, putting the pregnant person at risk of an intrauterine infection, which could lead to sepsis and death. Becca Andrews, The New Republic, 9 May 2022 Gatton and her husband had struggled to conceive naturally for years and completed six unsuccessful intrauterine inseminations. Hannah Baggenstoss, STAT, 6 Oct. 2022 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'intrauterine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


International Scientific Vocabulary

First Known Use

circa 1836, in the meaning defined above

Time Traveler
The first known use of intrauterine was circa 1836

Dictionary Entries Near intrauterine

Cite this Entry

“Intrauterine.” Dictionary, Merriam-Webster, Accessed 30 Sep. 2023.

Kids Definition


in·​tra·​uter·​ine ˌin-trə-ˈyüt-ə-rən How to pronounce intrauterine (audio)
: located, used, or occurring within the uterus
intrauterine growth

Medical Definition


in·​tra·​uter·​ine -ˈyüt-ə-rən How to pronounce intrauterine (audio) -ˌrīn How to pronounce intrauterine (audio)
: of, situated in, used in, or occurring within the uterus
the intrauterine environment
intrauterine instillation of saline
also : involving or occurring during the part of development that takes place in the uterus
intrauterine infection
intrauterine mortality
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