New charts for ultrasound dating of pregnancy

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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.This has implication for prenatal diagnosis in Nigeria.

Materials and Methods: The crown-rump length (CRL) of 322 fetuses without risk for fetal growth restriction were plotted against menstrual age to obtain a scatter plot from which we derived the best-fit fractional polynomial regression model for estimating gestational age (GA).

Fetal ultrasound scanning is considered vital for routine antenatal care with first trimester scans recommended for accurate estimation of gestational age (GA).

A reliable estimate of gestational age is key information underpinning clinical care and allows estimation of expected date of delivery.

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.

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