Differential diagnosis of causes of Primary Amenorrhea

Differential diagnosis of causes of Primary Amenorrhea 
-pregnancy 
-vaginal agenesis 
-absent uterus
-atrophic endometrium 
-imperfect hymen 
-complete androgen resistance ( testicular feminization) 
-testosterone synthesis defect
-rare ovarian enzyme deficiencies 
-autoimmune ovarian failure 
-gonadal dysgenesis such as Turner Syndrome 
-androgenic steroids 
-ovarian tumor 
-polycystic ovary syndrome 
-adrenal tumor 
-adrenal hyperplasia 
-craniopharyngioma 
-GnRH or gonadotrophin deficiency 
-Kallman Syndrome 
-Cushing’s Syndrome 
-hypothyroidism
-anorexia nervosa
-hypothalamic amenorrhea such as stress, weight change or exercise 
-pituitary tumor 
-idiopathic delayed puberty