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To assess, in one single procedure, a complete study of the female pelvis, including the Douglas pouch.Colpocystodefecography (CCD) combines vaginal opacification, voiding cystography, and defecography. Three hundred examinations are reviewed.Thanks to the simultaneous visualization of the pelvic structures, CCD proved to be more useful than clinical evaluation to diagnose prolapses and particularly Douglas pouch hernias (enteroceles), the clinical diagnosis of which was missed in 93 of 111 cases. Moreover, in addition to morphologic and functional information, CCD brings about a new insight in the study of pelvic organs reciprocal influences, should they be positive (supporting function) or negative (external compression). Finally, significative pelvic surgery and particularly hysterectomy enhances greatly the risk of enteroceles.CCD is helpful in the preoperative staging, especially in the selection of the surgical procedure that will least likely predispose to possible late postoperative complications such as vaginal prolapses or enteroceles.