Ishrat, S, MW Rahman, MR Rahman, MZ Hussain, and S Jahan. 2009. “Leptin Concentrations in Maternal and Umbilical Cord Blood in Relation to Maternal Weight, Birth Weight and Weight of the Placenta”. Bangladesh Journal of Obstetrics &Amp; Gynaecology 23 (1):3-7. https://doi.org/10.3329/bjog.v23i1.3049.