Gestational disorders are diseases related to pregnancy. The most common gestational disorders include hypertensive diseases and preterm birth. Both have a major impact on women and their children’s life shortly after pregnancy as well as in later life. Other gestational diseases that will be discussed are gestational diabetes, cholestasis of pregnancy, amniotic fluid embolism, thrombosis, urinary tract infection and trauma. The different pathophysiological mechanisms, treatment options and consequences for these pregnancy-related disorders will be described.