This article is aimed at identifying, systematizing and analyzing the causes of postnatal depression in women. Despite the seeming limitations, this is a rather serious problem of a socio-psychological nature. Indeed, the manifestations of postnatal depression significantly affect not only the woman herself, but also her child, her other children, her husband, i.e. for the whole family. The feeling of social isolation in women who gave birth is very sharply reflected in her psyche, especially among successful women.