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Gay Women Not Immune From Sexually Transmitted Disease

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Oct. 4, 2000 -- Cancer of the cervix affects the lives of thousands of American women every year. While it is mostly found in heterosexual women, it also is a problem for women who have sex with other women. In recent years, research has linked cervical cancer to a sexually transmitted infection due to human papillomavirus, or HPV. One reason lesbians may be at higher risk for developing these tumors is they do not receive adequate screening since it's commonly believed they can't contact HPV.

Researchers say that contrary to that notion, women can pass the virus to other women. They urge that lesbians have regular Pap smears on the same schedule recommended for heterosexual women.

Jeanne Marrazzo, MD, says she became interested in studying whether HPV could be transmitted from one woman to another when she was a research fellow at the University of Washington. At the time, she discovered that two of her friends, who were in their 30s and were lesbians, had a high-risk type of HPV.

"This meant they were at high risk to develop cervical cancer," says Marrazzo, now an assistant professor in the university's allergy and infectious diseases division. "I wanted to know if the recommendation for Pap smears should be different for them and whether they had contacted HPV from previous encounters with men."

HPV is not just one disease -- more than 100 different types have been discovered, according to the CDC. The most harmless types cause no problems or may possibly spawn genital warts. The more severe types can develop into cervical cancer in women, penile cancer in men, and other genital cancers.

"The link between HPV and cervical cancer is very definite; 95% of the time, a papillomavirus is found in women who develop cervical cancer," Marrazzo tells WebMD. In addition, tests show about 75% of all Americans have at one time been exposed to HPV.

Although the virus is the most common sexually transmitted disease in the world, the majority of people who contact one will never deal with its serious effects. Doctors don't have answers as to why some people develop the warts or why HPV progresses to cancer in a small percentage of people, but they know certain factors are at play.

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