This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endometriosis and dysmenorrhea, Subject name: Gynaecology & Obstetrics
[{'content': 'False statement regarding Spasmodic Dysmenorrhea : \nSelect and explain. \nA. Often cured by delivery of a child, B. Pain usually appears on the first day of menstruation, C. Pain persists for 2-3 days, D. Rare above age of 35 years', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Dysmennorhoea means painful menstruation Can be primary and secondary Often seen in adolescents and almost always in ovulatory cycles It usually appears within 1or 2 yrs of the menarche,when ovulatory cycles are established It is usually less after pregnancy and childbih Spasmodic pain typically begins few hrs after onset of menses; last for up to 24-48hrs, but may also be confined only to a few hours Reference: Textbook of gynaecology; Sheila balakrishnan; 2nd edition; Page no 187', 'role': 'assistant'}]