Comparison 6. Comparison six: lanolin versus expressed breast milk.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Nipple pain	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
1.1 Nipple pain at 1‐3 days' post‐treatment	1	152	Risk Ratio (M‐H, Fixed, 95% CI)	1.01 [0.93, 1.09]
1.2 Nipple pain at 4‐5 days' post‐treatment	1	152	Risk Ratio (M‐H, Fixed, 95% CI)	1.56 [1.05, 2.32]
1.3 Nipple pain at 6‐7 days' post‐treatment	1	152	Risk Ratio (M‐H, Fixed, 95% CI)	1.58 [0.27, 9.20]
2 Nipple trauma	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
2.1 Nipple trauma at 1‐3 days' post‐treatment	1	152	Risk Ratio (M‐H, Fixed, 95% CI)	1.01 [0.98, 1.05]
2.2 Nipple trauma at 4‐5 days' post‐treatment	1	152	Risk Ratio (M‐H, Fixed, 95% CI)	1.24 [1.02, 1.49]
2.3 Nipple trauma at 6‐7 days' post‐treatment	1	152	Risk Ratio (M‐H, Fixed, 95% CI)	1.39 [0.92, 2.10]