Effects of Different Delivery Modes on Pelvic Floor Function in Parturients 6–8 Weeks after Delivery Using Transperineal Four-Dimensional Ultrasound

Table 2

Pelvic floor characteristics detected by transperineal ultrasound in the two groups .

Items	Vaginal delivery group ()	Selective cesarean section group ()
(°)			2.7014	0.009
(°)			3.6106	0.001
(cm)			3.3077	0.001
(cm)			2.6099	0.011
θ (°)			3.6308	0.000
UVJ-M (cm)			3.8181	0.000
CV-VDr (cm)			0.4500	0.652
CV-VDv (cm)			0.8269	0.512
ARJ-VDr (cm)			1.3997	0.169
ARJ-VDv (cm)			2.4634	0.000

Abbreviations: and : the posterior angle of vesicourethral angle at rest and Valsalva action, respectively; and : the vertical distance of bladder neck to the inferior edge of pubic symphysis at rest and Valsalva action, respectively; θ: the angle of urethral tilt; UVJ-M: urethrovesical junction mobility; CV-VDr and CV-VDv: the vertical distance of external cervical orifice to the inferior edge of pubic symphysis at rest and Valsalva action, respectively; ARJ-VDr and ARJ-VDv: the vertical distance between the anorectal junction and the inferior margin of pubic symphysis at rest and Valsalva action, respectively.