This paper reports on the methods and characteristics of 12 studies from developing countries included in a meta-analysis of the impact of antenatal supplements of multiple micronutrients compared with iron-folic acid on micronutrient status, maternal nutritional status, birth outcomes, and neonatal survival.
Margetts, B.M.; Fall, C.H.D.; Ronsmans, C.; Allen, L.H.; Fisher, D.J.; Maternal Micronutrient Supplementation Study Group (MMSSG). Multiple micronutrient supplementation during pregnancy in low-income countries: Review of methods and characteristics of studies included in the meta-analyses. Food and Nutrition Bulletin (2009) 30 (Supplement 4) 517-526. [Supplement 4: Multiple Micronutrient Supplementation During Pregnancy in Developing Country Settings; ed. by Dalmiya, N., Darnton-Hill, I., Schultink, W. and Shrimpton, R.]