Body weight.current fetus/Body weight.heaviest fetus:MRto:Pt:^Fetuses:Qn:US+Calculated
body weight.current fetus/body weight.heaviest fetus:mrto:pt:^fetuses:qn:us+calculated
Body weight.current fetus/Body weight.heaviest fetus:Mass Ratio:To identify measures at a point in time:^Fetuses:Quantitative:Ultrasound+Calculated
body weight.current fetus/body weight.heaviest fetus:mass ratio:to identify measures at a point in time:^fetuses:quantitative:ultrasound+calculated