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
Condition associated with lack of a single pelvic ala is : 
Select and explain. 
A. Robe's pelvis, B. Naegele's pelvis, C. Rachitic pelvis, D. Osteomalacic pelvis
B: Naegele's pelvis
Answer: B: Naegele's pelvis 
Explanation: Ans. is b i.e. Naegele's pelvis Pelvis Naegele's pelvis Robe's pelvis Rachitic pelvis Osteomalacic pelvis Kyphotic pelvis Characteristics feature Single Ala present Both Ala absent Seen in Ricketis pelvis. Reniform pelvis Seen in osteomalacia - triradiate pelvis Seen in kyphosis - funnel shaped pelvis