AIUM Practice Guideline for the Performance of Obstetric Ultrasound Examinations

Estimation of fetal weight with the use of head, body, and femur measurements—A prospective study

Frank P. Hadlock, Ronald B. Harrist, Ralph S. Sharman et al. · American Journal of Obstetrics and Gynecology · 1985 · 2.7K citations

Medicine, Maternal Health, Obstetrics +16

First-Trimester or Second-Trimester Screening, or Both, for Down's Syndrome

Fergal D. Malone, Jacob A. Canick, Robert H. Ball et al. · New England Journal of Medicine · 2005 · 1.1K citations · Full text

Medicine, Gynecology, Obstetrics +17

Sonographic estimation of fetal weight. The value of femur length in addition to head and abdomen measurements.

F P Hadlock, R B Harrist, Robert J. Carpenter et al. · Radiology · 1984 · 789 citations

Medicine, Anatomy, Obstetrics +17

First-Trimester Screening for Trisomies 21 and 18

Ronald J. Wapner, Elizabeth Thom, Joe Leigh Simpson et al. · New England Journal of Medicine · 2003 · 567 citations · Full text

Medicine, Genetics, Obstetrics +17

Cardiac screening examination of the fetus: guidelines for performing the ‘basic’ and ‘extended basic’ cardiac scan

Ultrasound in Obstetrics and Gynecology · 2005 · 258 citations

Medicine, Cardiology, Obstetrics +14