Binocular distance:Len:Pt:Head^Fetus:Qn:US+Estimated from BPD
binocular distance:len:pt:head^fetus:qn:us+estimated from bpd
Binocular distance:Len:Pt:Head^Fetus:Qn:US+Estimated from BPD
binocular distance:len:pt:head^fetus:qn:us+estimated from bpd