Objective: To assist clinicians in assigning gestational age based on ultrasound biometry.
Outcomes: To determine whether ultrasound dating provides more accurate gestational age
assessment than menstrual dating with or without the use of ultrasound. To provide
maternity health care providers and researchers with evidence-based guidelines for the
assignment of gestational age. To determine which ultrasound biometric parameters are
superior when gestational age is uncertain. To determine whether ultrasound gestational …