Genital Warts (HPV) in Women
Melissa Conrad Stöppler, MD
Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.
- Genital warts (HPV) facts*
- What are human papillomaviruses (HPVs)?
- How common is HPV infection?
- What are the symptoms of genital warts?
- How is HPV infection diagnosed?
- Is there a DNA test for types of HPV infection?
- How are genital warts diagnosed?
- External genital warts
- Precancerous changes (dysplasia) of the cervix
- Can HPV infection be prevented?
- What should a person do if exposed to someone with genital warts?
- Patient Comments: Genital Warts (HPV) - Effective Treatments
- Patient Comments: Genital Warts - Symptoms
- Find a local Obstetrician-Gynecologist in your town
Genital warts (HPV) facts*
- Genital warts are caused by infection with a subgroup of the human papillomaviruses (HPVs).
- Another subgroup of the HPVs that infect the anogenital tract can lead to precancerous changes in the uterine cervix and causecervical cancer.
- HPV infection is now considered to be the most common sexually-transmitted infection (sexually transmitted disease, STD) in the U.S., and it is believed that at least 75% of the reproductive-age population has been infected with sexually-transmitted HPV at some point in life.
- HPV infection is common and does not usually lead to the development of warts, cancers, or even symptoms.
- HPV infection of the genital tract is transmitted through sexual contact, although non-sexual transmission is also possible.
- In many cases genital warts do not cause any symptoms, but they are sometimes associated with itching, burning, or tenderness.
- Condom use seems to decrease the risk of transmission of HPV during sexual activity but does not completely prevent HPV infection.
What are human papillomaviruses (HPVs)?
There are over 100 types of human papillomaviruses (HPVs) that infect humans. Of these, more than 40 types can infect the genital tract and anus (anogenital tract) of men and women and cause genital warts known as condylomata acuminata or venereal warts. A subgroup of the HPVs that infect the anogenital tract can lead to precancerous changes in the uterine cervix and cause uterine, cervical cancer. HPV infection also is associated with the development of other anogenital cancers. The HPV types that causecervical cancer also have been linked with both anal and penile cancer in men as well as a subgroup of head and neck cancers in both women and men. Genital warts and HPV infection are transmitted primarily by sexual intimacy, and the risk of infection increases as the number of sexual partners increase.
The most common HPV types that infect the anogenital tract are HPV types 6, 11, 16, and 18 (HPV-6, HPV-11, HPV-16, and HPV-18), although other HPV types can also infect the anogenital tract. Among these, HPV-6 and HPV-11 are most commonly associated with benign lesions such as genital warts and mild dysplasia of the cervix (potentially precancerous changes in the appearance of cervical cells under a microscope) and are termed "low-risk" HPV types. In contrast, HPV-16 and HPV-18 are the types found in the majority of cervical and anogenital cancers as well as severe dysplasia of the cervix. These belong to the so-called "high-risk" group of HPVs.
Other, different HPV types infect the skin and cause common warts elsewhere on the body. Some types of HPVs (for example, HPV 5 and 8) frequently cause skin cancers in people who have a condition known as epidermodysplasia verruciformis.
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