The ELENA perinatal health network (Loire Nord-Ardèche) offers health professionals a collection of obstetric and pediatric protocols useful for harmonizing the medical care of mothers (ante, per and post-partum) and newborns on its territory. -born.The ELENA network helps perinatal professionals from 7 maternities and 2 local perinatal centers, as well as those working in the liberal sector, in local authorities, medico-social structures or associations to work in close collaboration in order to ensure continuity, quality and safety of care.Elena is a tool to help with pregnancy / obstetrics.