Comparison 4. Low‐back pain: group exercise + education + usual prenatal care versus usual prenatal care.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Number of women reporting pain on Visual Analogue Scale	2	374	Risk Ratio (M‐H, Random, 95% CI)	0.97 [0.80, 1.17]