This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Gynae), Subject name: Gynaecology & Obstetrics
FALSE statement about etiology of Endometriosis is 
Select and explain. 
A. Hormonal, B. Affects affluent class, C. Familial and risk is 0.5-1.5%, D. Common cause of post menopausal bleeding
D: Common cause of post menopausal bleeding
Answer: D: Common cause of post menopausal bleeding 
Explanation: (D) Common cause of post menopausal bleeding.> Etiology of endometriosis still remains unclear and is full of theories.# Various theories are: Sampson theory - retrograde menstruation Coelomic metaplasia Direct implantation Hormonal Immunological Histogenesis by induction.