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
The following are related to anencephaly except: 
Select and explain. 
A. It is commonly associated with prematurity, B. Often associated with oligohydramnios, C. Increased association with female baby, D. Obstructed labour may occur
B: Often associated with oligohydramnios
Answer: B: Often associated with oligohydramnios 
Explanation: Anencephaly is associated with polyhydramnios and not oligohydramnios. Rest all options are correct.