​Differential diagnosis of anovulation in Reproductive Years

​Differential diagnosis of anovulation in Reproductive Years 
-pregnancy 
-androgen secreting tumor (adrenal, ovarian) 
-congenital adrenal hyperplasia 
-Cushing’s Syndrome 
-discontinuation of oral contraceptives 
-premature ovarian failure 
-hyperprolactinemia 
-hypothyroidism  
-hyperthyroidism 
-obesity 
-hypothalamic amenorrhea due to stress, exercise, weight change 
-polycystic ovary syndrome