A study of Correlation of Transverse Cerebellar Diameter with Gestational Age in the Normal & Growth Restricted Fetuses in Western Uttar Pradesh
Journal Title: People's Journal of Scientific Research. - Year 2014, Vol 7, Issue 2
Abstract
Transverse Cerebellar Diameter (TCD) is a more accurate & better predictor of gestational age in normal as well as in IUGR fetuses. In intra uterine growth restricted (IUGR) Fetuses, the transverse cerebellar diameter does not get affected due to insufficiency of fetal circulation and so can be used as an unbiased measurement of gestational age (GA). It withstands deformation by external pressure because Cerebellum is the largest part of hind brain which lies in the posterior cranial fossa, surrounded by the dense petrous ridges and the occipital bone. The cerebellum is easily visualized sonographically. The aim of this study was to establish ‘Correlation between TCD & GA in Normal & IUGR fetuses’. The study group comprised of 650 cases. Women having pregnancy between 14 to 40 weeks were considered for Ultrasound Examination. Patients who had any complication of pregnancy were not included in the study. During 14 to 26 weeks of gestation- transverse cerebellar diameter in mm was found equivalent to gestation age of fetus. The Karl Pearson correlation coefficient between gestational age & transverse cerebellar diameter was found to be 0.972305. p-value is < 0.001 which was highly significant. In IUGR Fetuses, the value of measurement of Transverse Cerebellar Diameter was less than the normally grown fetuses. The mean difference was 1.065 from the expected mean for normally grown fetuses. p-value was p< 0.01 i.e. statistically significant. In the normal & IUGR Fetuses the Transverse Cerebellar Diameter increases with advancing age. Linear relationship of TCD is observed with GA. This study shows highly significant correlation between Transverse Cerebellar Diameter & Gestation age in normal & IUGR fetuses.
Authors and Affiliations
Mukesh Bansal, Alpana Bansal, Shilpi Jain, Satyam Khare, Rashmi Ghai
Keywords
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