The Baby blues is a transitory situation characterized by mood swings, mild to moderate intensity, often rapid, with a prevalence of 50% to 80%, manifesting in the 3rd to 4th day after delivery, with symptoms that involves feeling sad, floating mood, irritability, fatigue, anxiety, decreased concentration, insomnia, tearfulness, crying spells and baby related anxiety. Usually with spontaneous remission of a week to ten days (Brazil, 2012).

The Postpartum Depression is a psychiatric disorder of moderate to severe with insidious onset. Presents a prevalence of 10% to 15%, manifesting itself in 2 to 3 weeks postpartum. It is characterized by symptoms of sadness, tearfulness, hopelessness, dejection, lability, anorexia, nausea, sleep disturbances, nightmares and initial insomnia, suicidal ideation, loss of sexual interest. Develops slowly over weeks or months, thus reaching a threshold; the prognosis is closely linked to early diagnosis and appropriate interventions (Brazil, 2012).

The Puerperal Psychosis is a psychotic mood disorder, with presentation of severe mental disorders, reaching a prevalence of 0.1% to 0.2%. Its initial manifestation is abrupt and occurs in two or three weeks after birth with confused mental state, hallucinations or delusions, agitation, anxiety, thoughts about hurting the baby, strange behavior, insomnia, and symptoms that progress to manic forms, melancholy or even catatonic. Later, it can develop to depression. The prognosis depends on early identification and intervention within the sceario (BRAZIL, 2012).