From: Lateral recumbent position versus kneeling prone position combined with unprotected perineal delivery in natural childbirth: implication for clinical care
Lateral recumbent position group(n = 86)
Kneeling prone position group(n = 82)
t
P
Before labor
56.66 ± 15.29
56.70 ± 16.02
5.322
0.113
After labor
34.14 ± 10.03
42.62 ± 12.77
4.964
0.015