Effect non-invasive low forceps delivery on pelvic floor muscle strength and postpartum depression in singleton full-term pregnant women

Table 6 Comparison of postpartum pelvic floor electromyography between the two groups (mean ± SD, V)

Group	n	Resting average electromyographic value					Maximum electromyographic value of fast muscle
		6 weeks postpartum	3 months postpartum	6 months postpartum	F value	P value	6 weeks postpartum	3 months postpartum	6 months postpartum	F value	P value
Control group	35	2.42 ± 0.51	2.97 ± 0.64	3.25 ± 0.62	17.760	< 0.001	25.02 ± 2.71	27.45 ± 3.08	32.07 ± 4.12	39.840	< 0.001
Observation group	35	2.79 ± 0.38	3.34 ± 0.48	3.63 ± 0.53	29.150	< 0.001	30.25 ± 2.25	32.64 ± 3.32	35.13 ± 4.32	17.990	< 0.001
t value		3.442	2.736	2.756			8.784	6.780	3.033
P value		0.001	0.008	0.008			< 0.001	< 0.001	0.003