3. Position Lies in the center of the pelvic cavity, between the bladder(膀胱) and the rectum(直肠) usually it is anteversion前倾and anteflexion前屈 Ⅴ esicouterine pouch 膀胱子宫陷凹 Rectouterine pouch 900 1700 直肠子宫陷凹3. Position Lies in the center of the pelvic cavity, between the bladder (膀胱 ) and the rectum (直肠） usually it is anteversion 前倾 and anteflexion 前屈 Vesicouterine pouch 膀胱子宫陷凹 Rectouterine pouch 直肠子宫陷凹 90 o 170 o