It is very uncertain whether low‐GI dietary advice changes large‐for‐gestational age compared with moderate‐ to high‐GI dietary advice (child outcomes) (very low certainty).
Balanced protein and energy supplementation showed no clear difference in neonatal death compared with control or no intervention (low certainty).
Balanced protein and energy supplementation probably leads to lower small‐for‐gestational age compared with control or no intervention (moderate certainty).
Balanced protein and energy supplementation showed no clear difference in preterm birth compared with control or no intervention (moderate certainty).
Balanced protein and energy supplementation probably leads to lower stillbirth compared with control or no intervention (moderate certainty).