This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraception, Subject name: Gynaecology & Obstetrics
Preferred method of contraception for a female with family H/O ovarian cancer : 
Select and explain. 
A. POP, B. Cu IUCD, C. OCP, D. Barrier method
C: OCP
Answer: C: OCP 
Explanation: OCPs reduce ovarian cancer. TEXTBOOK OF GYNECOLOGY SHEILA BALAKRISHNAN SECOND EDITION PAGE NO 368 Table no 33.4