Human papillomavirus infection is the most common sexually-transmitted disease (STD) in U.S.A. But sometimes women with HPV infected may clear itself rapidly without disease and any symptoms. High risk HPV types can cause precancerous changes in the cervix, vulva, or anus. Not often, HPV infection may cause anal or genital cancers.
Cervical cancer has detected in approximately 12,000 women and about 4,000 cases died from cervical cancer in 2010 in the U.S.A. In world, about half a million women with cervical cancer is diagnosed each year and a quarter of a million women with cervical cancer survive annually. In addition to cervical cancer rates, there is a fact that 3,700 women with vulvar cancer, 2,700 women with anal cancer, 1,000 women with vaginal cancer, and 2,300 women with head and neck cancers associated with HPV in USA annually. Approximately one per cent sexually active adults have genital warts at any point of their life in the U.S.A.
In addition to cervical cancer, HPV causes anus, vulva, and vagina cancers in women. Some HPV types also cause genital warts. Routine Pap smear test for women is important to detect cell changes in cervical area and prevent the cervical cancer. Routine Pap smear test is recommended women aged 21-29 one in a two year. If women are older than 30 years old, and last tree screening results are normal, screening is recommended one in tree years.
Skin contact characteristically increases to pass on HPV. The virus can also move by touching. Using condom reduces infection risk of genital human papillomavirus.
Genital warts usually develops on the cervix, vulva and in or around the vagina or anus. If someone infected with human papillomavirus after contact, genital warts can show themselves within weeks or months, or can not appear at all. Genital warts generally are seen as soft, moist, most commonly in the genital site. They appear like a cauliflower-shaped. If genital warts are untreated, genital warts may go away, or enlarge in mass or number, and cancer may develop.
Two vaccines (Cervarix and Gardasil) are accessible to prevent HPV infection for women. Gardasil is also available for genital warts. Cervarix and Gardasil are recommended for girls aged 11 and 12, and for females aged 13-26. It is important to be applied for younger girls.
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