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A Colposcopy Trainer to Simulate Visualization and Biopsy of the Cervix. BACKGROUND: Colposcopy is a common office procedure providing a magnified view of the cervix for the evaluation of an abnormal cytology result. Traditionally the procedure has been replicated in simulation training by using a sausage or hotdog to represent the cervix and allow for target biopsy. This is neither reusable nor sustainable. METHOD: We developed a cervix model comprised of food coloring and ballistics gel. After cooling, the surface was dotted with gel that can be activated by a black light to mimic acetowhite changes. The cervix was placed into an existing pelvic trainer and then piloted by attending physicians and resident trainees in obstetrics and gynecology and family practice. EXPERIENCE: Sixteen physicians and residents were surveyed after a simulated colposcopy. Twelve had performed colposcopies and of those, eight stated that the model was very comparable with the real procedure; four stated the model was somewhat comparable. Three had never performed a colposcopy but stated that model was very or somewhat comparable with textbook or journal photographs. CONCLUSION: Our colposcopy trainer represents continued innovation in the field of simulation while being sustainable and economic. We continue to work on enhancing our model to be even more sophisticated and offering additional training options.