Length from T6 to L3:Len:Pt:Spine^Fetus:Qn:US.measured
length from t6 to l3:len:pt:spine^fetus:qn:us.measured
Length from T6 to L3:Len:Pt:Spine^Fetus:Qn:US.measured
length from t6 to l3:len:pt:spine^fetus:qn:us.measured