In the first 3 months after delivery, 18.4% of pregnant women and 19.2% of newborn mothers suffer from depressive symptoms, 12.7% of whom have major depressive symptoms that require treatment in the antenatal phase and 7.1% in the postpartum phase. In the UK 20-40% of women with depression seek professional help, and out of 100,000 pregnant and newborn women (in the first six months after childbirth) 0.2% of them will experience suicide. Depressive disorders are the primary cause of disease burden in women of reproductive age worldwide, and they are the most common mental illness in the postpartum period. The effects of these disorders shall not underestimated, which are not limited to the woman herself, but may rather extend to the child and the wider social environment.