1. with psychotic features (mood-congruent or mood incongruent) hallucinations, delusions
2. with anxious distress (restlessness, concentration, issues due to worry, fear or losing control)
3. with mixed features
4. with melancholic features
5. with atypical features
6. with catatonic features (e.g., motoric immobility) or excessive movement, mutism, posturing, compulsive repetition of someone else's movements or words
7. with peripartum onset (post partum depression)
8. with seasonal pattern (seasonal affective disorder SAD) accompanies episodes during certain seasons (winter depression); depressive episode: begins in late fall; ends start of spring; bipolar: depression- winter, mania-summer