Abstract
Background: Many centers in Sudan use the reference data for fetal biometry. The recently published population-based reference either overestimated or underestimated the weight of the fetuses. Objective: To establish a national reference for fetal biometry, and weight by gestational age for singleton fetuses in Sudan. Methods: Data were collected on all singleton live births documented in the data collection sheet done at Saudi Hospital from 2015 to 2016 (n = 225). Gestational age estimation was based on the last menstrual period and fetal ultrasound thereafter. Fetal biometry and weight and other 6 fetal weight formulae were assessed. Reference data for fetal growth by gestational age were created. Results: New charts and reference equations are reported in Sudanese population for fetal biparietal diameter, head circumference, abdominal circumference and femur length and fetal weight. Conclusion: We advocate that these reference charts and equations for fetal biometry and weight might be valuable in the clinical use for appropriate ethnic Sudanese.
Highlights
Reference data for birth weight, fetal biometry were first published in the 1970 [1] [2] and revised on a regularHow to cite this paper: Ayad, C.E., Ibrahim, A.A.M., GarElnabi, M.E.M., Ahmed, B.H., Abdalla, E.A. and Saleem, M.A.E. (2016) New Sudanese Reference Chart of Fetal Biometry and Weight Using Ultrasonography
Many ultrasound estimated fetal weight (EFW) formulae have been designed and these are based on different fetal biometric parameters [23] [24]
Use of ultrasound in predicting birth weight is more precise in early gestations, at term there is significant worsening due to fluid to fetus ratio reduction, bony structures become increasingly calcified, and the vertex descends in the pelvis, making measurements of head circumference and biparietal diameter more difficult [25]
Summary
Reference data for birth weight, fetal biometry were first published in the 1970 [1] [2] and revised on a regularHow to cite this paper: Ayad, C.E., Ibrahim, A.A.M., GarElnabi, M.E.M., Ahmed, B.H., Abdalla, E.A. and Saleem, M.A.E. (2016) New Sudanese Reference Chart of Fetal Biometry and Weight Using Ultrasonography. Ultrasound examination and measurement of fetal biometry have become an integral part of recent obstetric care These measurements can serve for measuring the gestational age (GA) or assessment of fetal development. Appropriate methods have been published [11] [12] and fetal biometry charts and equations for various populations are available in the open literature [13]-[18]. Objective: To establish a national reference for fetal biometry, and weight by gestational age for singleton fetuses in Sudan. Results: New charts and reference equations are reported in Sudanese population for fetal biparietal diameter, head circumference, abdominal circumference and femur length and fetal weight.
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