intrauterine device
noun
plural intrauterine devices
: 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
Women can choose from a variety of contraception options such as pills, patches, implants and intrauterine devices. —Sarah Barton
The most effective types of birth control, like an intrauterine device, tend to come at the highest upfront cost … —The Canadian Press
called also intrauterine contraceptive device, IUCD, IUD
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Merriam-Webster unabridged
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