Yajnik CS et al. - Raised maternal plasma total homocysteine (tHcy) concentrations predict small size at birth, which is a risk factor for type 2 diabetes mellitus. We studied the association between maternal vitamin B12, folate and tHcy status during pregnancy, and offspring adiposity and insulin resistance at 6 years...Low maternal vitamin B12 and high folate status may contribute to the epidemic of adiposity and type 2 diabetes in India