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    What Parents Should Know About the HPV, or Cervical Cancer, Vaccine

    Does your daughter need the HPV vaccine to help protect against cervical cancer? Get the latest medical information on the HPV vaccine here.
    WebMD Feature

    You've probably heard that a new HPV vaccine can protect women against cervical cancer. In fact, the vaccine may be most effective when given to girls and young women. Is the HPV vaccine something you should consider for your daughter? Is this vaccine safe? When should girls receive the shots, and are there any drawbacks

    Learn more about how this major medical breakthrough can benefit your daughter.

    What Is HPV?

    HPV refers to a group of viruses called human papillomavirus. Genital HPV is the most common sexually transmitted infection in the United States. Just how widespread is this virus? Take a look at these infection rates for U.S. females:

    • Ages 14-19: 25% have been infected with HPV.
    • Ages 20-24: 45% have been infected with HPV.

    Data from the 2003-2004 National Health and Nutrition Examination Survey (NHANES) show that one in four female adolescents in the U.S. has at least one of the most common sexually transmitted infections. According to the CDC, the most common STD was HPV (18%), followed by chlamydia (4%). Among the teen girls that had an STD, 15% had more than one.

    How Is HPV Spread?

    HPV is transmitted during genital skin-to-skin sexual contact. This includes vaginal or anal sex and possibly oral sex. A person can get HPV even if years have passed since he or she had sex.

    The Connection between HPV and Cervical Cancer

    There are many types or strains of HPV. Most types do not cause cervical cancer. However, certain strains of HPV are more likely to lead to the disease.

    For example, one study found four cervical cancer-causing HPV types in 3.4% of women studied. If that rate of infection is true for all women in the United States, then about 3.1 million U.S. females may now be infected with these four HPV types. These women are at risk of developing cervical cancer.

    In 2007, the United States will have about 11,150 new cases of cervical cancer, and 3,670 women will die from this cancer, the American Cancer Society estimates.

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