<prompt> The cause of postpartum blues is:Decreased estrogenDecreased progesteroneIncreased prolactinDecreased estrogen and progesterone  <response>: Puerperal Blues3 Days BluesBaby BluesIt is transient state of mental illness observed 45 days after delivery in nearly 50 of postpartum women.Postpartum blues occurs at the height of hormonal changes. Patients present with depression, anxiety, fearfulness, insomnia, helplessness and negative feelings towards infant.It may last from a few days to 23 weeks.Generally self limited, 20 of women may develop depression in the first postpartum year.Treatment: Reassurance and psychological support of family members.Post-partum DepressionIt is observed in 10-20 of mothers.It is more gradual in onset over the first 4-6 months following delivery or abortion.Changes in hypothalamo-pituitary-adrenal axis may be a cause.Manifested by loss of energy and appetite, insomnia, social withdrawal, irritability and even suicidal attitude.Risk of recurrence 50-100 in subsequent pregnancies.Treatment: Should be started early. Fluoxetine or paroxetine is effective and has fewer side effects. According to kaplan, the cause of postpartum blues is :The sudden decrease in estrogen and progesterone immediately after delivery may also contribute to the disorder, but treatment with these hormones are not effective. 