Deep endometriosis conundrum: evidence in favor of a peritoneal origin Paolo Vercellini, M.D., Giorgio Aimi, M.D., Stefania Panazza, M.D., Sarah Vicentini, M.D., Anna Pisacreta, M.D., Pier Giorgio Crosignani, M.D. Fertility and Sterility Volume 73, Issue 5, Pages 1043-1046 (May 2000) DOI: 10.1016/S0015-0282(00)00420-9
FIGURE 1 Measurement of the depth of the pouch of Douglas (A) at laparoscopy. B, bladder; R, rectum; RVP, rectovaginal pouch; RVS, rectovaginal septum; U, uterus; USL, uterosacral ligament; V, vagina; VUP, vesicouterine pouch. Vercellini. Deep endometriosis conundrum. Fertil Steril 2000. Fertility and Sterility 2000 73, 1043-1046DOI: (10.1016/S0015-0282(00)00420-9)