Post-natal depression Childbirth can trigger several powerful emotions ranging from joy and excitement to fear and anxiety. In some instances, it can trigger depression. As a new mum, you may experience “baby blues” that is characterized by anxiety, mood swings, and difficulty sleeping. These typically begin after the first few days of childbirth and may last for up to two weeks. However, you may also experience more severe long-lasting depression known as postnatal depression. This condition is common in new mothers, and can also affect fathers and partners. What is postnatal depression? Postnatal depression, which is also known as postpartum depression, is a complex mix of emotional, physical, and behavioral changes that affect new mothers. Unlike baby blues, postnatal