Fetal Trans-Cerebellar Diameter and Fetal Trans-Cerebellar Diameter to Abdominal Circumference [tcd/ac] Ratio in Assessment of Gestational Age for the Prediction of Normal Fetal Growth and Intrauterine Growth Restriction | ||||
| Benha Journal of Applied Sciences | ||||
| Article 7, Volume 7, Issue 8, August 2022, Page 47-54 PDF (1006.6 K) | ||||
| Document Type: Original Research Papers | ||||
| DOI: 10.21608/bjas.2022.269904 | ||||
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| Authors | ||||
| A G.Gouda; M A.El Nafrawy; A I.El Mashad; Y S.Edris; W M.Amer | ||||
| Obstetrics and Gynecology, Dept., Faculty of Medicine, Benha Univ., Benha, Egypt | ||||
| Abstract | ||||
| Background: Accurate estimation of the gestational age [GA] is crucial for the appropriate management of pregnancy. Inaccurate GA estimation is associated with adverse perinatal outcomes. Precise knowledge of the expected date of delivery has a vital role in the management of pregnancies. Amongst the several clinical measures employed to assess the GA, the date of the last normal menstrual period [LNMP] is acknowledged to relate best with the GA. However, this method may not be always reliable and can sometimes be misleading. Foetal Abdominal Circumference [AC] is one the important foetal parameters to be affected early in the process of impaired foetal growth. So, Trans cerebellar Diameter/Abdominal Circumference [TCD/AC] ratio has been found to be constant and a gestational age independent parameter to assess foetal growth and can be useful in predicting foetal growth restriction. The aim of the present study was to evaluate accuracy of fetal trans-cerebellar diameter and fetal trans-cerebellar diameter to abdominal circumference [TCD/AC] ratio in assessment of gestational age for the prediction of normal fetal growth and intrauterine growth restriction. Methods: This was a prospective case control study conducted at the Obstetrics and Gynecology Department, Benha University Hospital, Benha – Egypt on 300 pregnant women [Group A]: included healthy pregnant women with morphologically normal fetuses between 14-40 weeks of gestation who came for routine antenatal sonography, [Group B]: included patients of suspected IUGR clinically. Results: HC, AC, and TCD were significantly lower in IUGR compared to controls. Meanwhile TCD/AC was significantly higher in IUGR compared to controls. Conclusion: In IUGR fetuses, the fetal TCD was less affected than fetal HC suggesting preferential preservation of cerebellar growth relative to other cranial structures. The TCD/AC ratio was helpful in recognizing abnormal fetal growth. Even when the GA was uncertain since this ratio was gestational age independent | ||||
| Keywords | ||||
| Trans cerebellar diameter [TCD]; Trans cerebellar diameter to abdominal circumference ratio [TCD/AC] | ||||
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