Comparison of first trimester dating methods for gestational age estimation and their implication on preterm birth classification in a North Indian cohort

• Main Authors: Ramya Vijayram (Author), Nikhita Damaraju (Author), Ashley Xavier (Author), Bapu Koundinya Desiraju (Author), Ramachandran Thiruvengadam (Author), Sumit Misra (Author), Shilpa Chopra (Author), Ashok Khurana (Author), Nitya Wadhwa (Author), GARBH-Ini Study Group (Author), Raghunathan Rengaswamy (Author), Himanshu Sinha (Author), Shinjini Bhatnagar (Author)
• Format: Book
• Published: BMC, 2021-04-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background Different formulae have been developed globally to estimate gestational age (GA) by ultrasonography in the first trimester of pregnancy. In this study, we develop an Indian population-specific dating formula and compare its performance with published formulae. Finally, we evaluat...