Pap smears and cervical cancer
An instrument called a speculum holds the walls of the vagina open so that the cervix may be viewed and a swab of cells obtained for analysis.
Reviewed By: Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital, Boston, MA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
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