PMID: 2497142May 1, 1989Paper

Influence of the interval between time points on individual fetal growth curve standards derived from Rossavik models and two ultrasound scans before 26 weeks, menstrual age

Journal of Clinical Ultrasound : JCU
N SimonD M Shearer

Abstract

We studied the influence of the interval between the two scans used before 26 weeks' menstrual age to generate individual fetal growth curve standards utilizing the Rossavik growth model: P = c(t) kappa + s(t) (model specification functions previously reported). Intervals of 3 weeks to 12 weeks were suitable for predicting the growth of the abdominal and head circumferences and femur diaphysis length in individual fetuses. However, large systematic and random errors were found with intervals less than 5 weeks for three-dimensional parameters such as the head and abdominal cubes and estimated fetal weight. In addition, the data suggest that the systematic errors for these latter parameters may increase with intervals of 10 weeks or more. Overall, optimal individual fetal growth curve standards were best generated from two scans before 26 weeks' menstrual age separated by 5 weeks to 9 weeks.

References

Feb 1, 1989·Journal of Clinical Ultrasound : JCU·R L DeterL M Tennyson
Jan 1, 1987·Journal of Clinical Ultrasound : JCU·I K RossavikF P Hadlock
Jun 1, 1987·Journal of Clinical Ultrasound : JCU·R L DeterF P Hadlock
Oct 1, 1985·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·N V SimonE B Sellers
Nov 1, 1984·Journal of Clinical Ultrasound : JCU·I K Rossavik, R L Deter
Nov 1, 1984·Journal of Clinical Ultrasound : JCU·I K Rossavik, R L Deter

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Citations

Jan 1, 1994·Journal of Clinical Ultrasound : JCU·N V SimonD M Shearer
May 1, 1994·Journal of Clinical Ultrasound : JCU·Y S KurniawanL T van der Weele

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