A routine third trimester growth ultrasound in the obese pregnant woman does not reliably identify fetal growth abnormalities: A retrospective cohort study

Background In response to the challenges of assessing fetal growth in obese women, guidelines recommend routine third trimester ultrasound scans. Aim The aim of this study was to assess the diagnostic performance of this routine scan in obese women (body mass index (BMI) ≥ 35 kg/m 2 ). Methods A retrospective cohort study of 1008 pregnancies with maternal BMI ≥ 35 kg/m 2 born after 37 weeks gestation at a Victorian hospital from 2015 to 2017....