Table 3. Difference in the LAH area between the control and experimental groups at the week 6 and week 12 postpartum at rest, during contraction and Valsalva maneuver.

State	Control group	Experiment group
Rest	0.12 ± 3.12	1.95 ± 3.41**
Contraction	0.80 ± 2.29	1.39 ± 1.91
Valsalva	1.91 (−2, 3.64)	2.29 (0.58, 6.08)***

Mean ± SD.

**p<0.01, ***p<0.001 vs. control group.