Data came from the MINIMat study ( Maternal and Infant Nutrition Interventions , Matlab ) , a randomized trial of prenatal food supplementation ( invitation early , about @ weeks -LSB- E -RSB- , or at usual time , about @ weeks -LSB- U -RSB- of pregnancy ) and @mg or @mg iron with @ gm folic acid , or multiple micronutrients ( Fe@F , Fe@F , MMS ) resulting in six randomization groups , EFe@F , UFe@F , EFe@F , UFe@F , EMMS , and UMMS ( n = @ ) .