Early in the history of medicine, it was recognized that severe mental illness sometimes started abruptly in the days after childbirth, later known as<unk>  or puerperal<unk> . Gradually, it became clear that this was not a single and unique phenomenon, but a group of at least twenty distinct disorders.<unk>  implies the presence of manic symptoms, stupor or catatonia, perplexity, confusion, disorders of the will and self, delusions and/or hallucinations. Psychiatric disorders that lack these symptoms are excluded; depression, however severe, is not included, unless there are psychotic features. Of this group of<unk> ,<unk>  bipolar disorder is overwhelmingly the most common in high-income nations.
Postpartum psychosis
Postpartum blues
Postpartum depression
Post-adoption depression syndrome
Major depressive episode
Outline of bipolar disorder
Secondary mania
Masked depression