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
Indications for USG at 32-36 weeks are all except: 
Select and explain. 
A. If anomaly scan not done at 1st trimester, B. In multiple pregnancy, C. To diagnose IUGR, D. To determine positioning of placenta
A: If anomaly scan not done at 1st trimester
Answer: A: If anomaly scan not done at 1st trimester 
Explanation: Ans. is a, i.e. If anomaly scan not done at 1st trimesterFor anomaly scan copy USG is done in 1st trimester and repeated at 16 to 20 weeks. There is no use getting a scan done in third trimester as MTP cannot be done beyond 20 weeks.