Gestational age:Time:Pt:^Fetus:Qn:US+Estimated from AC.Lessoway 1998
gestational age:time:pt:^fetus:qn:us+estimated from ac.lessoway 1998
Gestational age estimated from Abdominal circumference on US by Lessoway 1998 method
gestational age estimated from abdominal circumference on us by lessoway 1998 method