Background Unintended pregnancy at higher risk of perinatal mood disorders; however, concurrent factors such as socioeconomic conditions may be more critical to mental health than pregnancy intention. Mental health risks among individuals undergoing fertility treatment are inconsistent. We investigated mental health risks during pregnancy and parenthood in parents who conceived unintentionally or through fertility treatment compared to those who conceived naturally and intentionally. Methods We conducted a web-based study with 10,000 adults ≥ 18 years old, either pregnant or with a child aged
Health