system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
GnRh analogues are used in
assistant
The correct answer is  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 .