Gestational age:Time:Pt:^Fetus:Qn:US+Estimated from BPD.Jeanty 1982
gestational age:time:pt:^fetus:qn:us+estimated from bpd.jeanty 1982
Gestational age estimated from Biparietal diameter on US by Jeanty 1982 method
gestational age estimated from biparietal diameter on us by jeanty 1982 method