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Table 1 Summary of ongoing and completed interventional trials investigating preconceptional multiple micronutrient supplementation

From: Effect of life skills building education and micronutrient supplements provided from preconception versus the standard of care on low birth weight births among adolescent and young Pakistani women (15–24 years): a prospective, population-based cluster-randomized trial

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