intrauterine device


Definition of intrauterine device

: a device inserted into and left in the uterus to prevent effective conception

called also intrauterine contraceptive device, IUD

Examples of intrauterine device in a Sentence

Recent Examples on the Web

Conversations about contraception often center around the pill or intrauterine devices. Korin Miller, SELF, "14 Things You Should Know Before Using the Vaginal Ring," 2 Aug. 2018 By comparison, condoms have an 18-percent failure rate, the pill has a nine-percent failure rate, and various intrauterine devices (IUDs) have failure rates of less than one percent, according to the Centers for Disease Control and Prevention (PDF). Beth Mole, Ars Technica, "“Natural” birth-control app dogged by unwanted pregnancies gets FDA approval," 15 Aug. 2018 Now is the time to get an intrauterine device (IUD) implanted ASAP, says the Internet., "Rushing To Get An IUD? Don't Forget This Important Factor," 11 July 2018 Also, as the number of females using birth control, such as the pill or intrauterine devices goes up, the number of people who use condoms may decrease, putting more people at risk of contracting an STI. Kate Magill, Columbia Flier, "Howard looks at new ways to talk to teens about safe sex," 21 May 2018 Brooke Hamel, 19, recently went to get an intrauterine device inserted by a doctor recommended by her sister. Los Angeles Times,, "Male doctors are disappearing from gynecology. Not everybody is thrilled about it," 27 Mar. 2018 Public health advocates credit the broader use of long-acting birth control such as intrauterine devices with helping drive down these rates, though many factors are likely at play. Janet Adamy, WSJ, "U.S. Births Hit Lowest Number Since 1987," 17 May 2018 Democrats also pointed out the broad proposal could also be read as banning many forms of birth control including intrauterine devices and birth control pills. Washington Post, "South Carolina abortion ban bill dies in late-night vote," 4 May 2018 Democrats said the broad language of the bill could also have been read as banning many forms of birth control including intrauterine devices and birth control pills. Maria Clark,, "South Carolina ban on nearly all abortions dies in late-night vote: report," 4 May 2018

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

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First Known Use of intrauterine device

1964, in the meaning defined above

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The first known use of intrauterine device was in 1964

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intrauterine device


English Language Learners Definition of intrauterine device

medical : a device that is inserted in the uterus and left there to prevent pregnancy

intrauterine device


Medical Definition of intrauterine device

: a usually T-shaped, plastic device that is inserted into and left in the uterus for an extended time (as five years) to prevent effective conception

Note: The intrauterine device typically contains a progestin (as levonorgestrel) or has copper wire wound around the arms and vertical stem of the “T.”

called also IUCD, IUD

More from Merriam-Webster on intrauterine device

Spanish Central: Translation of intrauterine device Encyclopedia article about intrauterine device

Comments on intrauterine device

What made you want to look up intrauterine device? Please tell us where you read or heard it (including the quote, if possible).


to deny responsibility for

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