Transcerebellar Diameter: An Independent Marker for Estimation of Gestational Age
Journal Title: Journal of Medical Science And clinical Research - Year 2018, Vol 6, Issue 5
Abstract
Cerebellum is a posterior cranial fossa structure, appears at the end of 5th week of gestational age. The cerebellum is easily visualised sonographically surrounded by petrous ridges and occipital bone. Measurement & demonstration of fetal cerebellum is a unique parameter of fetal brain growth & also useful in determination of gestational age. The prospective study was carried out on 186 antenatal patients (20-40 years of age) between 14-40 weeks of pregnancy attending the clinic for routine ultrasound examination. Patients who had any complication of pregnancy were not included in the study. Ultrasonographic measurement of Transverse cerebellar diameter (TCD) was done to assess the gestational age. Mean TCD was 17.77 in 14-20 weeks of gestation, 28.40 mm in 21-30 weeks and 40.00 mm in 31-40 weeks. Regression analysis indicates a significant relationship between TCD and gestational age, indicating that TCD is a good marker for estimation of gestational age
Authors and Affiliations
Dr Basanta Manjari Swain
Keywords
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