Perimeter:Len:Pt:Head^Fetus:Qn:US.derived from OFD&O-I BPD
perimeter:len:pt:head^fetus:qn:us.derived from ofd&o-i bpd
Perimeter:Len:Pt:Head^Fetus:Qn:US.derived from OFD&O-I BPD
perimeter:len:pt:head^fetus:qn:us.derived from ofd&o-i bpd