Intrauterine Contraceptive Device
by Science Photo Library
Title
Intrauterine Contraceptive Device
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
IUD. View of an intrauterine contraceptive device. IUDs consist of a piece of moulded plastic that is inserted into the uterus. This type of IUD has a coil of copper wire wrapped around the stem, and has a piece of plastic string that hangs through the cervix, allowing easy removal. Exactly how IUDs work is not understood, but they are thought to prevent implantation of fertilized eggs in the wall of the uterus. The probability of a pregnancy for each year of use is 2-3%. IUDs with copper coils need to be replaced every 3-5 years.
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September 20th, 2018
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