International Survey of Childbirth-Related Trauma - Swedish Part

The goal of this cross-sectional observational study is to analyze childbirth-related PTSD, traumatic birth experiences and stress symptoms postpartum. The main questions it aims to answer are: * What is the prevalence of traumatic birth experiences, PTSD and stress symptoms in a Swedish postnatal sample? * What are the risk factors for postnatal mental ill-health? Additional goals are to make cross-cultural translations of the instruments City BiTS and Birth Satisfaction Scale - Revised. Participants will answer an online surveys including several instruments measuring postnatal stress and mental ill-health.