RESUMO
Fetal biometry with the help of ultrasound scanning provides the most reliable and important information about the fetal growth and wellbeing. A wealth of important and relevant factors is gathered covering the fetal anatomy, physiology and fatal behavior. A good scanning ultrasound machine and an experienced hand are essential for obtaining maximum advantage. This review highlights the discipline, its significance, uses difficulties and limitations related to the study designs, cross-sectional and longitudinal, concerned. Various ultrasonic fetal biometric parameters and their significance, in accordance to assessment of gestational age have also been discussed. For this review, Medline search was done and the relevant full papers were retrieved. In addition, references from major ultrasound and embryology textbooks were also obtained