BMD Alterations and Bone and Muscle Parameters During Menstrual Cessation With GnRH

Prospective, open-label, controlled 12month observational study Premenopausal women with surgically verified endometriosis will receive goserelin 1 injection per month for 6 months. Subsequently goserelin will be discontinued and patients will be monitored for another 6 months after menstrual restoration. Age- and BMI-matched premenopausal, health women will serve as controls. Controls will receive no treatment.