Diameter.biparietal/Diameter.occipital:LenRto:Pt:Head^Fetus:Qn:US.estimated from Hadlock 1981
diameter.biparietal/diameter.occipital:lenrto:pt:head^fetus:qn:us.estimated from hadlock 1981
Fet BPD/OFD from GA.Hadlock 1981
fet bpd/ofd from ga.hadlock 1981