Perimeter.mean:Len:Pt:Abdomen^Fetus:Qn:Estimated from gestational age
perimeter.mean:len:pt:abdomen^fetus:qn:estimated from gestational age
Perimeter.mean:Len:Pt:Abdomen^Fetus:Qn:Estimated from gestational age
perimeter.mean:len:pt:abdomen^fetus:qn:estimated from gestational age