Perimeter:Len:Pt:Head^Fetus:Qn:US.estimated from Jeanty 1982
perimeter:len:pt:head^fetus:qn:us.estimated from jeanty 1982
Perimeter:Len:Pt:Head^Fetus:Qn:US.estimated from Jeanty 1982
perimeter:len:pt:head^fetus:qn:us.estimated from jeanty 1982