Thickness:Len:Pt:Placenta^Fetus:Qn:US.measured
thickness:len:pt:placenta^fetus:qn:us.measured
Thickness:Length:To identify measures at a point in time:Placenta^Fetus:Quantitative:Ultrasound.measured
thickness:length:to identify measures at a point in time:placenta^fetus:quantitative:ultrasound.measured