Template:VB DDX nonpregnant

Systemic Causes

1. Secondary anovulation
2. Coagulopathy
   1. Von Willebrand, ITP
3. Hypothyroidism
4. Hormone replacement therapy
5. Cirrhosis

Reproductive Tract Causes

1. Fibroids
2. Adenomyosis
3. Endometriosis
4. Neoplasia
5. Infection (vaginitis, PID)
6. Vaginal Trauma
7. Foreign Body
8. IUD
9. Atrophic endometrium
10. Dysfunctional uterine bleeding
    1. Diagnosis of exclusion
    2. Ovulatory: Excessive wt change, stress, exercise
    3. Anovulatory: postmenopause, premenopause, PCOS