There are two ways to prevent cervical cancer -- the first is to prevent infections with HPV, the second is to get regular Pap smears that will detect pre-cancerous conditions and HPV. Both of these can be treated and stop the progression to cervical cancer.
The Pap smear test consists of cells wiped or brushed off the cervix and placed on a microscope slide. This is usually done at the time of a pelvic examination, though not every pelvic exam includes a Pap smear. A woman should ask her doctor or nurse if a Pap was performed, know when her last Pap smear was done and when her next Pap smear is due. Pap smears are not painful, although there may be a second or two of discomfort when the cervix is touched for some women.
Pap smears are very effective in detecting pre-cancerous changes of the cervix. But part of their effectiveness depends on their being obtained regularly, because often a single Pap smear will NOT show any abnormal cells even when dysplasia or cancer is present. If the cervix appears abnormal, for example, a normal Pap smear is not enough.
If a Pap smear suggests dysplasia or if the cervix appears abnormal, the cervix is usually examined under magnification (colposcopy) and biopsies are taken. These tiny pieces of cervical tissue, when examined in the laboratory, can show if a precancer or cancer is present. Precancers are completely curable when followed up properly. Survival with CIS and even microinvasive cervical cancer is also nearly 100%. But the chances of being alive in 5 years falls steadily as the cancer advances into the nearby tissues, the bladder and rectum, and other remote sites.
To reduce the chances of cervical cancer, girls less than 18 years of age should avoid sexual activity or always use condoms. HPV infection causes genital warts. These may be barely visible or several inches across. If a woman sees warts on her partner's genitals, she should avoid intercourse. To further reduce the risk of cervical cancer, women should limit the number of their sexual partners, avoid sexually promiscuous partners, and discontinue any tobacco use. Condoms may help prevent the transmission of HPV.
Annual pelvic examinations, including a pap smear, should begin when a woman becomes sexually active, or by the age of 20 in a non-sexually active woman. All abnormal findings should be followed up with colposcopy and biopsy.
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