Study design and intervention
The MISAME-III study is an individually randomized 2 × 2 factorial trial evaluating the efficacy of a combination of micronutrient-fortified BEP and iron-folic acid (IFA) supplementation, as compared to IFA supplementation alone, during pregnancy and during lactation on various maternal, newborn and infant outcomes. In this sub-study nested in the main MISAME-III trial, we evaluate the effect of prenatal micronutrient-fortified BEP supplementation on maternal and newborn body composition.The MISAME-III parent study has been described in detail previously [Women were randomly assigned to receive either daily BEP and IFA supplementation (intervention) or IFA alone (control). The BEP supplement was a large-quantity LNS in the form of an energy-dense peanut paste fortified with multiple micronutrients [