plural IUDs
: a T-shaped device containing either progestin or copper that is inserted into and left in the uterus to prevent conception by blocking ovulation, thickening cervical mucus, or interfering with sperm motility : intrauterine device
Once an IUD is inserted, you don't have to worry about birth control until it's time to replace it (three to 10 years, depending on the brand).Cleveland Clinic
… got relief by changing her birth control to a progestin-emitting IUD, which lightened her periods without dramatically adding extra hormones in the rest of her body.Laura Beil
If you don't want back-to-back pregnancies, contraception post-childbirth is key. You can go back on some types of birth control, like … hormonal or copper IUDs, immediately after giving birth.Anna Medaris

Examples of IUD in a Sentence

Recent Examples on the Web Guys, tell me about your symptoms from the copper IUD. Vanessa Etienne, Peoplemag, 1 May 2024 What Pain Relief Options Are Available for IUD Insertion? Nick Blackmer, Verywell Health, 28 May 2024 In many regions of the state, including Memphis and Nashville, A Step Ahead will only pay for an implant or IUD, not for birth-control pills or other short-acting methods of contraception. Alana Semuels, TIME, 17 May 2024 Under such a guardianship, Britney Spears could not have her IUD removed. For The Carroll County Times, Baltimore Sun, 12 May 2024 The disconnect between patients’ experiences and doctors’ communication about IUD insertion is a problem. Lisa Jarvis, Twin Cities, 19 Apr. 2024 When the Dalkon Shield was invented, little was known about how big an IUD needed to be to be effective. Catherine M. Klapperich, STAT, 12 Apr. 2024 More than 10% of them used an intrauterine device (IUD) or other kind of longterm contraceptive implant. Hannah Yasharoff, USA TODAY, 7 Mar. 2024 Hormonal Birth Control Using hormonal birth control like the pill, implant, injection, or intrauterine device (IUD) is a common cause of spotting. Cristina Mutchler, Health, 7 Apr. 2024

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

Word History

First Known Use

1964, in the meaning defined above

Time Traveler
The first known use of IUD was in 1964

Dictionary Entries Near IUD

Cite this Entry

“IUD.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/IUD. Accessed 22 Jun. 2024.

Kids Definition

Medical Definition

IUD

abbreviation or noun
: a device inserted into and left in the uterus to prevent conception
specifically : a T-shaped device containing either progestin or copper that is inserted into and left in the uterus to prevent conception by blocking ovulation, thickening cervical mucus, or interfering with sperm motility

called also intrauterine contraceptive device, intrauterine device, IUCD

Last Updated: - Updated example sentences
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