Dr. Xavier Castellsague and his colleagues examined preexisting data on 20,000 women in 14 countries, which was used to determine the prevalence of human papillomavirus (HPV) infection, different strains of which are responsible for causing cervical cancer. They found out that, while IUD users were just as likely to get HPV as other women, their risk of developing two types of cervical cancer decreased significantly: 44 percent lower for squamous-cell carcinoma and 54 percent for adenocarcinoma or adenosquamous carcinoma. This was especially true for people who were in their first year of using IUDs, but the results were found to be stable over a period of 10 years.
Dr. Castellsague says this shows that IUD insertion itself is what helps stave off cancer. "IUDs are not inert devices," he is quoted as saying in a Reuters report. "Our speculation is that they act as a foreign body and stimulate inflammatory changes that prevent the HPV infection from persisting and progressing to more advanced stages."
For more about IUDs and cervical cancer, check out these articles:
- Hot GirlTalk Topic: What Every Woman Should Know about Cervical Cancer
- 5 HPV Myths Debunked
- Female Network's Ultimate Guide to Family Planning
- 10 Stupid Mistakes Smart Women Make about Contraception
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(Photo by Paupua via Wikimedia Commons)
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