A new mathematical formula for predicting long bone length in early pregnancy

To propose new mathematical formulae to estimate fetal long bone biometry in early pregnancy and to establish their efficacy in comparison to previously constructed mathematical formulae.

[1]  G. Pilu,et al.  Can transvaginal fetal biometry be considered a useful tool for early detection of skeletal dysplasias in high‐risk patients? , 1999, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

[2]  P. Rosati,et al.  Transvaginal fetal biometry in early pregnancy. , 1997, Early Human Development.

[3]  E. Zimmer,et al.  Prenatal ultrasound examinations: for whom, by whom, what, when and how many? , 1997, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

[4]  J. Egan,et al.  Adjusting the Risk for Trisomy 21 by a Simple Ultrasound Method Using Fetal Long‐Bone Biometry , 1996, Obstetrics and gynecology.

[5]  D. Economides,et al.  Assessment of fetal anatomy at 12 to 13 weeks of gestation by transabdominal and transvaginal sonography , 1996, British journal of obstetrics and gynaecology.

[6]  D. Altman,et al.  Charts of fetal size: 4. Femur length , 1994, British journal of obstetrics and gynaecology.

[7]  D. Nyberg,et al.  Humerus and femur length shortening in the detection of Down's syndrome. , 1993, American journal of obstetrics and gynecology.

[8]  J. Hobbins,et al.  Fetal humeral length to detect Down syndrome. , 1992, American journal of obstetrics and gynecology.

[9]  U. Nicolini,et al.  Transvaginal sonography for fetal measurement in early pregnancy , 1992, British journal of obstetrics and gynaecology.

[10]  D. Arduini,et al.  Ultrasound measurements of fetal limb bones , 1991, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

[11]  D. Neuberg,et al.  Humeral shortening in second-trimester fetuses with Down syndrome. , 1991 .

[12]  D. Nyberg,et al.  Femur length shortening in the detection of Down syndrome: is prenatal screening feasible? , 1990, American journal of obstetrics and gynecology.

[13]  T M Grist,et al.  Femur length in the US prediction of trisomy 21 and other chromosomal abnormalities. , 1990, Radiology.

[14]  E. Merz,et al.  Mathematical modeling of fetal limb growth , 1989, Journal of clinical ultrasound : JCU.

[15]  B. Benacerraf,et al.  Sonographic identification of second-trimester fetuses with Down's syndrome. , 1987 .

[16]  E. Merz,et al.  Ultrasonic mensuration of fetal limb bones in the second and third trimesters , 1987, Journal of clinical ultrasound : JCU.

[17]  A. Kurtz,et al.  Ultrasonographic diagnosis of second‐trimester skeletal dysplasias: a prospective analysis in a high‐risk population. , 1983, Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.

[18]  M. Dramaix-Wilmet,et al.  Ultrasonic evaluation of fetal limb growth: part II. , 1982, Radiology.

[19]  J. Queenan,et al.  Growth of the ultrasound fetal femur length during normal pregnancy. Part I. , 1981, American journal of obstetrics and gynecology.

[20]  S Campbell,et al.  Ultrasound measurement of fetal limb bones. , 1980, American journal of obstetrics and gynecology.

[21]  G. Aimi,et al.  Measurements of fetal limb bones in early pregnancy , 1994, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.

[22]  C. Qualls,et al.  Evaluation of fetal sonographic measurements in the first trimester by transvaginal sonography. , 1991, Gynecologic and obstetric investigation.

[23]  S. Campbell.  Ian Donald's child comes of age , 1991, Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.