This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
GnRh analogues are used in 
Select and explain. 
A. Ovulation induction, B. Endometriosis, C. Fibroid, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: GnRh includes both agonists and antagonists. Used for ovulation induction, fibroid and endometriosis . It induces a state of pseudo menopause were there is a deficiency of both estrogen and progesterone so that fuher growth of fibroid and endometriosis does not occur. To overcome the distressing s/e of menopause E+P are added which is called as "Add Back" regime. Other condition in which they are used is true precocious pubey in which there is activation of HPO axis .