This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Accurate diagnosis of anencephaly in ultrasound is seen at week : 
Select and explain. 
A. 6 weeks of gestation, B. 8 weeks of gestation, C. 10 weeks of gestation, D. 14 weeks of gestation
D: 14 weeks of gestation
Answer: D: 14 weeks of gestation 
Explanation: 14 weeks of gestation