In the MINIMat trial ( ISRCTN16581394 ) in Matlab , Bangladesh , pregnant women were randomized to early ( around 9 weeks ) or usual invitation ( around 20 weeks ) to food supplementation and to one of the three daily micronutrient supplements : 30-mg Fe and 400-g folic acid ( Fe30F ) , 60-mg Fe and 400-g folic acid ( Fe60F ) , and multiple micronutrient supplements ( MMS ) .