This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diagnosis of Pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': 'Doppler ultrasound in pregnancy is useful to detect all of the following , except; \nSelect and explain. \nA. Cardiovascular malformation, B. Placental vascular anomalies like Vasa Pre, C. Abdominal masses, D. IUGR', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Color Doppler evaluation in pregnancy Echocardiography is done for:Systemic veins (vena cavae and ductus venosus)Pulmonary veinsForamen ovaleAtrioventricular valvesAtrial and ventricular septaeAoic and pulmonary valvesDuctus aeriosusAoic archUmbilical aery and vein Doppler is also used for calculating the umblical aery flow patterns to asses blood flow to the fetus and is an impoant tool in antepaum surviellance for high risk pregnancies', 'role': 'assistant'}]