<prompt> 18 Year old girl comes to gynae OPD presenting with 6 months of amenorrhea, with ho low grade fever, weight loss, pain abdomen, generalized weakness. On examination pelvic mass felt on left side with features of ascites. Diagnosis?TB pelvis with tubo ovarian massEctopic pregnancyGranulosa cell tumourFibroid degeneration  <response>: Tubercular PID Pathogenesis of amenorrhea Endometritis - endometrial destruction- Asherman syndrome -- amenorrhea non responsive to withdrawl by estrogen progesterone Oligomenorrhea Hypomenorrhea Amenorrhea mc CF : low grade fever weight loss , pain abdomen, generalized weakness. Amenorrhea 