IUDs are safe and highly effective contraception method, intrauterine devices (IUDs) may also be quietly offering protection against the third-most common cancer in women worldwide.
The number of women diagnosed with cervical cancer is steadily rising. According to the World Health Organization WHO, approximately 528,000 women were diagnosed with cervical cancer worldwide in 2012, and 266,000 women died from the disease. By 2035, the WHO projects that those numbers will climb to more than 756,000 and 416,000, respectively.
For women in developing countries, where cervical cancer prevention resources such as the human papillomavirus HPV vaccine or regular cervical screenings are scarce, and where populations are increasing rapidly, a contraceptive that offers protection against cervical cancer could have a profound effect.
IUDs could be a tool to combat cervical cancer. Some scientists speculate that the placement of an IUD stimulates an immune response in the cervix, giving the body an opportunity to fight an existing HPV infection that could lead to cervical cancer. Another possibility is that when an IUD is removed, some cervical cells that contain HPV infection or precancerous changes may be scraped off. The body mounts an immune response to having an IUD placed.
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