The database thereby provides a unique possibility to analyze population based data from approximately 55.0000 pregnancies annually with prenatal diagnosis and postnatal outcome. On an international level FØTOdatabasen thereby provides unique data to analyze pregnancies with spina bifida in a population and the pregnancy outcome, including live born children, intrauterine deaths and spontaneous as well as termination of pregnancy. Hereby it can be estimated how many incidences of spina bifida are isolated or associated with other malformations.