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
Spasmodic dysmenorrhoea is seen in : 
Select and explain. 
A. Endometriosis, B. DUB, C. Submucous fibroid, D. Ovarian cyst
C: Submucous fibroid
Answer: C: Submucous fibroid 
Explanation: Submucous fibroid