Kjessler B Conceptual dating by ultrasonic measurement of the fetal biparietal diameterin early pregnancy 198511.Persson P H;Weldner B M Reliability of ultrasound fetometry in estimating gestational age in thesecond trimester 198612.Altman D G;Chitty L S Charts of fetal size:1.Methodology 199413...
〔10〕 Selbing A,Kjessler B.Conceptual dating by ultrasonic measurement of the fetal biparietal diameter in early pregnancy[J].Acta Obstet Gynecol Scand,1985,64:593-597. 〔11〕 Persson P H,Weldner B M.Reliability of ultrasound fetometry in estimating gestational age in the second trimester[J...
BPD (biparietal diameter), the diameter of your baby's head. HC (head circumference), the length going around your baby's head. CRL (crown-rump length), the length from the top of the head to your baby's bottom, measurement taken in the first trimester.What...
365: Gender differences in biparietal diameter (BPD) at 18 - 21 weeks: implications for second trimester sonographic dating of pregnanciesdoi:10.1016/j.ajog.2010.10.383MethodiusTuuliandGeorgeMaconesandAnthonyOdiboSDOSAmerican Journal of Obstetrics & Gynecology...