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
Which of the following conditions is associated with polyhy dramnios? 
Select and explain. 
A. Posterior urethral valve, B. Cleft palate, C. Congenital diaphragmatic hernia, D. Bladder exostrophy
B: Cleft palate
Answer: B: Cleft palate 
Explanation: None