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 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 If your partner does feel something painful or hard, that could be a sign that the IUD is falling out. Hannah Yasharoff, USA TODAY, 7 Mar. 2024 But having more options to relax the body and mind before getting an IUD is one of the reasons why Tia incorporated a service that includes both acupuncture and the IUD insertion back-to-back. Mara Santilli, Glamour, 10 Nov. 2023 These methods include condoms, birth control pills, injections, an implant, or an IUD. Christina Oehler, Health, 15 Feb. 2024 There are risks to getting an IUD, such as injuries to your uterus or the IUD moving out of place, and IUDs aren't for everyone. Lindsey Murray, Health, 16 Dec. 2023 What to Expect After IUD Removal IUD removal is pretty straightforward and usually only takes a few minutes. Erica Jackson Curran, Parents, 4 Oct. 2023 Notes by his colleagues show that caregivers had not tried a hormonal intrauterine device, or IUD, which can shorten periods. Sarah Hurtes, New York Times, 25 Nov. 2023 Are there any downsides to acupuncture before IUD insertion? Mara Santilli, Glamour, 10 Nov. 2023

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 19 Apr. 2024.

Kids Definition

Medical Definition

: 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
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