Figure 2.

Ultrasound evaluation of parameters related to pelvic floor dysfunction after OOC. A: Postpartum women with pelvic floor dysfunction may present with rectal prolapse accompanied by bladder prolapse. The lowest point of the bladder is located 5 mm below the reference line, with a rectal prolapse height of 18 mm; B: Pelvic floor anal canal and rectal ampulla of normal control group; C: Patients with functional pelvic floor disorders after OOC have intestinal herniation in the pelvic floor anal canal and rectal ampulla, with obvious discontinuity of the anal rectal muscle. The depth of the herniation is about 25 mm, and the length is about 43 mm.