This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diagnosis in obstetrics, Subject name: Gynaecology & Obstetrics
[{'content': 'Fetal abdominal circumference is measured at the level of : \nSelect and explain. \nA. Stomach and umbilical vein, perpendicular to spine, B. Kidneys, C. Stomach parallel to spine, D. Liver and spleen', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Abdominal Circumference (AC) is measured in the transverse section of the fetal abdomen at the level of the fetal stomach and the umbilical poion of the poal vein.This is usually affected in IUGR and is less useful in dating as it is the parameter most affected by fetal growth. Refer page no 479 of Text book of obstetrics,sheila balakrishnan 2 nd edition.', 'role': 'assistant'}]