Study name | Years active | Country | No. arms | Intervention | Minimum exposure to intervention |
---|---|---|---|---|---|
Potdar 2014 [16] (Mumbai Maternal Nutrition Project) | 2006–2011 | India | 2 | Arm 1: preconception: daily micronutrient-rich food snack; pregnancy: daily micronutrient rich food snack Arm 2: preconception: daily micronutrient-poor food snack; pregnancy: daily micronutrient poor food snack | 3 months |
Hambidge 2014 [17] (Women First Study) | 2013– ongoing | multi-site (Congo, Guatemala, India, Pakistan) | 3 | Arm 1: preconception: daily MMN via lipid-based nutrient supplements (LNS) pregnancy: daily MMN via LNS Arm 2: preconception: none pregnancy: daily MMN via LNS Arm 3: preconception: none pregnancy: none | 3 months |
Owens 2015 [18] | 2006–2008 | The Gambia | 2 | Arm 1: preconception: daily UNIMMAP preparation tablet; pregnancy: daily IFA tablet Arm 2: preconception: placebo control; pregnancy: daily IFA tablet | not specified |
Ramakrishnan2016 [19] (PRECONCEPT) | 2011–2013 | Vietnam | 3 | Arm 1: preconception: weekly MMN tablet; pregnancy: daily IFA tablet Arm 2: preconception: weekly IFA tablet; pregnancy: daily IFA tablet Arm 3: preconception: weekly FA tablet; pregnancy: daily IFA tablet | not specified |