The chlamydia bacteria can cause pelvic inflammatory disease and fertility problems, but women often don't know they're infected.
David M. Phillips/Science Source
July 21, 2015 Chlamydia is the most common sexually transmitted disease. Now that Pap tests for cervical cancer are needed less often, young women may not be getting the recommended annual test for chlamydia.
Dr. George Papanicolaou discovered that it was possible to detect cancer by inspecting cervical cells. The Pap smear, the cervical cancer screening test, is named after him.
American Cancer Society/AP
April 30, 2015 The Pap smear has dramatically decreased rates of cervical cancer, but testing too often has a downside, too. Many women say they aren't yet ready to follow new guidelines and skip the annual tests.
A nurse uses a diagram of the female reproductive system to explain the do-it-yourself careHPV test at the Uganda Cancer Institute in Kampala.
October 31, 2014 Women in the developing world may never be tested for cervical cancer. Clinics are far away, cultural biases may keep them away. Now an inexpensive test lets them do it themselves.
Two cervical cancer cells divide in this image from a scanning electron microscope.
Steve Gschmeissner/Getty Images/Science Photo Libra
May 21, 2014 The recent FDA approval of an HPV test to screen for cervical cancer has ignited debate among doctors. Some say the viral test will catch cancers earlier. Others warn it increases needless biopsies.
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Cells gathered during a Pap test. Those on the left are normal, and those on the right are infected with human papillomavirus.
Ed Uthman/Wikimedia Commons
March 14, 2012 For years, doctors have recommended that women start getting Pap smears every year or two to try to catch signs of cancer early, when it's easiest to prevent and treat. But new guidelines say that testing every three years is a better idea for most women.
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