Evaluation of optical positioning ultrasound simulator for assessment of trainee ability in obstetric ultrasound

Figure S1 Trainee performing obstetric ultrasound using optical positioning ultrasound simulation Volutracer® (Medge Platforms, New York City, NY, USA) system. Figure S2 Measurements included those of biparietal diameter (a), head circumference (b), abdominal circumference (c) and femur length (d). Standardized views showing fetal face (e), four-chamber view of heart (f), cardiac outflow tracts (g), both kidneys in axial plane (h), spine in sagittal plane (i) and stomach bubble and diaphragm in sagittal plane (j). Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.