IUD

abbreviation or noun

plural IUDs
: 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
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

called also intrauterine contraceptive device, intrauterine device, IUCD

Examples of IUD 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.
Louisiana’s law could also make pharmacists less likely to fill misoprostol prescriptions for people miscarrying at home, or even for non-pregnant patients taking the drug before IUD insertions or diagnostic procedures called hysteroscopies. Susan Rinkunas, refinery29.com, 28 Oct. 2024 In her comment section, other people commiserated over how their IUD insertions had brought the worst pain of their lives. Alyssa Goldberg, USA TODAY, 25 Oct. 2024 Some organizations are wising up to pain management around IUD insertion and replacement. Korin Miller, Flow Space, 9 Aug. 2024 Researchers think that certain events involving a hormonal change—like getting an IUD, having a hysterectomy, or going through menopause—might be involved for some. Erica Sloan, SELF, 10 Sep. 2024 See all Example Sentences for IUD 

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 15 Dec. 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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