A woman has mild depressive symptoms after few days of delivery which disappears within 2 weeks of the postpaum period. The most likely cause is ______

The patient has mild depressive symptoms after a few days of delivery which resolved spontaneously; this is characteristic of postpaum blues. During this period the patient may experience mood lability, sadness, dysphoria, subjective confusion, and tearfulness. These feelings have been ascribed to rapid changes in women's hormonal levels, the stress of childbih, and the awareness of the increased responsibility that motherhood brings. This usually resolve spontaneously.