This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological Disorders in Obs., Subject name: Gynaecology & Obstetrics
All of the following are the causes of post menopausal bleeding except- 
Select and explain. 
A. Senile vaginitis, B. Decubitus ulcer, C. Cervical erosion, D. None of the above
D: None of the above
Answer: D: None of the above 
Explanation: Ans. is 'd' i.e., None of the aboveCauses of post menopausal bleedingo Senile endometritiso Atrophic endometriumo Endometrial hyperplasiao DUBo Genital malignancy such as carcinoma (cervix, endometrium, vagina, vulva & fallopian tubes), sarcoma uterus, granulose cell tumour of ovaryoUterine polypo Tubercular endometritiso Cervical erosions & polypo Senile vaginitiso Decubitus ulcero Retained or forgotten foreign body such as pessary or TUCDo Withdrawal bleeding following estrogen intakeo Urethral carbuncle, polyp, prolapse mucosa or carcinomao Unknown