Accuracy in Estimation of Gestational Age in Third Trimester by Fetal Kidney Length in Indian Women.
Loading...
Date
2013-10
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
Introduction: Accuracy in estimation of gestational age (GA) has become more demanding as technology used in sonography has
become more advanced. Patient’s expectations have also increased and they expect exact estimations to plan their pregnancies.
Fetal kidney length (FKL) alone or in combination with other biometric indices can be used in estimating GA more precisely.
Objective: The study aimed in measuring FKL and calculating GA using it as a single parameter and comparing the accuracy
when combined with other biometric parameters used in estimation of GA on ultrasonography in third trimester in Indian
women. Material and methods: Healthy pregnant women in third trimester with single live fetus with no maternal or fetal
complications were selected for the study. FKL along with other biometric parameters were measured. The results were analyzed
for finding if FKL could be used as a single parameter in estimation of GA and if the accuracy improved if combined with
other indices. Results: GA was estimated in 715 cases by all four parameters in the women who came in the third trimester for
ultrasonography. FKL was also measured simultaneously in these women. It was observed that average FKL increased linearly
from 30.7 mm at 27 weeks to 39.4 mm at 38 weeks. Mean left kidney length was slightly but significantly more than the right
kidney. GA was estimated by FKL alone and it gave results with SE ± 10.45 days and when combined with other indices
accuracy improved to SE ± 5.45 days. Conclusion: FKL can be a single lone parameter in estimation of GA to give an accuracy of
SE ± 10.45 days, but when used in combination with other four indices the accuracy increased to SE ± 5.5 days.
Description
Keywords
Gestational age, fetal kidney length
Citation
Gupta D P, Gupta Hem Prabha, Zaidi Zeeshan, Saxena D K, Gupta Ratna Prabha. Accuracy in Estimation of Gestational Age in Third Trimester by Fetal Kidney Length in Indian Women. Indian Journal of Clinical Practice. 2013 Oct; 24(5): 459-463.