Intra-uterine device, ‘Copper-7’, United Kingdom, 1970-1981
Shown in the left hand corner of this image, the ‘Copper-7’ intrauterine device (IUD) is named because of its number 7 shape and material. It is a contraceptive worn inside the uterus. An IUD prevents pregnancy by preventing conception. The copper is toxic to sperm, preventing fertilisation. IUDs became popular in the 1960s and 1970s. However, health scares and litigation in the 1980s saw their use decline. New, more reliable designs were introduced during this time and the IUD remains the most inexpensive long-term reversible method of contraception.
Related Themes and Topics
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The use of methods and techniques to prevent pregnancy from sex.
Glossary: intra-uterine device