KnowraMajor depressive disorderLinked fromLinked fromThe 57 pages that link to Major depressive disorder, each with the reason it gives.All 57Broader topic 5Related 35Narrower topic 4Compared with 13Seasonal affective disorderNarrower topic: Seasonal affective disorder is a seasonal pattern specifier associated with depressive disorders, not a separate diagnostic family.Treatment-resistant depressionNarrower topic: Treatment resistance describes a course of major depression, not a separate symptom pattern.Major depressive episodeNarrower topic: An episode is a defining component used to diagnose this broader disorder.Postpartum depressionNarrower topic: Postpartum depression shares its core depressive features, though its timing is tied to pregnancy or childbirth.