Ota et al. (2012); various

Scale/Scope: 
Varied
Evaluation Design: 
Literature review – 15 RCTs reviewed, four related to dietary advice to increase energy and protein intake
Outcomes: 
Outcomes Measured: 
Protein intake (g/day) during pregnancy
Results: 
Pooled mean differences: 6.99g/day
P-values/CIs: 
p = 0.00057
High Impact Practices: 
Increased energy and protein intake during pregnancy and lactation
Outcomes Measured: 
Energy intake during pregnancy
Results: 
Pooled mean differences: 105.61 kcal/day
P-values/CIs: 
NS
High Impact Practices: 
Increased energy and protein intake during pregnancy and lactation