Ultrasound Assessment of Fetal Transcerebellar Diameter to Abdominal Circumference Ratio (Tcd/Ac) and to Femur Length Ratio (Tcd/Fl) in Detection of IUGR

Authors

1 Department of Obstetrics and Gynecology, Faculty of Medicine for boys, Al-Azhar University, Cairo, Egypt

2 Department of Obstetrics and Gynecology, Faculty of Medicine for boys, Al-Azhar University, Cairo, Egypt.

Abstract

Background: Modern obstetrics requires the Predicting of gestational age (GA) depending on sonographic fetus characteristics, and it is still a crucial part of managing pregnancies. It has been shown that a number of fetal sonographic characteristics correlate favorably with GA. One such fetal measure that has regularly performed better in determining GA is transcerebellar diameter (TCD). Patients and Methods: 100 pregnant women with a confirmed last menstrual period participated in this retrospective research at the obstetrics and gynecology department of Al-Azhar University. They were separated into two groups: Between March 2021 and March 2021, pregnant women in (Group I) with typically developing fetuses and (Group II) with fetuses beyond 20 weeks of gestation with growth restrictions were included. Results: In terms of TCD, there was a statistically negligible variation between Groups A and B, indicating that it was unaffected by changes in fetal development, making TCD a metric that is independent of age (p = 0.07). Although there was a substantial variation across the two groups under study for TCD/AC and TCD/FL ratio, (p < 0.05). Conclusion: The prenatal TCD in IUGR babies was less impacted than the fetal HC, indicating that cerebellar growth has been preserved preferentially over other cranial structures. In order to identify aberrant fetal growth, the TCD/AC ratio proved useful. Since this ratio is GA independent, it may be used even when the GA is unclear.

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