obstetric US: fetal weight estimated from abdominal circumference, biparietal diameter, femur length, and head circumference
obstetric us: fetal weight estimated from abdominal circumference, biparietal diameter, femur length, and head circumference
obstetric US: fetal weight estimated from abdominal circumference, biparietal diameter, femur length, and head circumference (procedure)
obstetric us: fetal weight estimated from abdominal circumference, biparietal diameter, femur length, and head circumference (procedure)