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
In a young female of reproductive age an absolute contraindication for prescribing OCP&;s is 
Select and explain. 
A. Diabetes, B. Hypeension, C. Obesity, D. Impaired liver function
D: Impaired liver function
Answer: D: Impaired liver function 
Explanation: OCP act by - causing atropic changes of endometrium preventing nidation - Thickening cervical mucus - Increasing the tubal motility. The hormones of the OCP are metabolized in the liver. Hence, chronic liver diseases and liver failure are absolute CI of OCP.