Role of Transcerebellar Diameter Measurement with Ultrasonography in Evaluation of Gestational age in Normal and Growth Restricted Fetuses

Evaluation of Gestational age

  • Amandeep Singh Associate Professor, SGRD Institute of Medical Sciences and Research, Amritsar, India.
  • CL Thukral Professor, SGRD Institute of Medical Sciences and Research, Amritsar, India.
  • Jasmeet Singh Resident, SGRD Institute Of Medical Sciences And Research, Amritsar, India.
  • Kamlesh Gupta Professor & Head, SGRD Institute Of Medical Sciences And Research, Amritsar, India.
  • Sangeeta Pahwa Professor, Obstetrics and Gynaecology, SGRD Institute Of Medical Sciences And Research, Amritsar, India.

Abstract

Background: To study the usefulness of  transcerebellar diameter measurement ultrasonographically for the detection of gestational age in normal and intra uterine growth restricted fetuses and compare the gestation age determined by transcerebellar diameter with that determined by other parameters i.e. biparietal diameter, head circumference, abdominal circumference and femur length. Subjects and Methods: A prospective study with ultrasonographic evaluation of five hundred antenatal patients in gestational age of 14-39 weeks. The transcerebellar diameter was measured and the corresponding gestational age determined. The gestational age was also determined with other parameters such as biparietal diameter, head circumference, abdominal circumference and femur length. Transcerebellar circumference to abdominal circumference ratio was calculated. Results: There is statistically significant relationship between Transcerebellar diameter and gestational age in normal and intra uterine growth retarded pregnancies. Transcerebellar diameter showed good correlation with gestational age (correlation coefficient=0.979) in case  of normal pregnancies and( correlation coefficient=0.942 )in cases of intra uterine growth retarded pregnancies Gestational age estimated by transverse cerebellar diameter measurements correlated well with gestational age estimated by biparietal diameter, head circumference, abdominal circumference and femur length. Transcerebellar circumference to abdominal circumference ratio remained fairly constant. Conclusion: Transcerebellar diameter can be used as a independent growth parameter to predict the gestational age in normal and in intrauterine growth retarded pregnancies cases. Transcerebellar diameter to abdominal circumference ratio is fairly constant throughout gestation and thus it is a useful gestational age independent parameter.

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Published
2019-01-15
How to Cite
Singh, A., Thukral, C., Singh, J., Gupta, K., & Pahwa, S. (2019). Role of Transcerebellar Diameter Measurement with Ultrasonography in Evaluation of Gestational age in Normal and Growth Restricted Fetuses. Asian Journal of Medical Radiological Research, 6(2), 8-11. Retrieved from https://aijournals.com/index.php/ajmrr/article/view/405