Extreme maternal morbidity (EMM), according to WHO, is a condition in which awoman nearly almost loses her life due to complications during pregnancy, childbirth,or the postpartum period. This rate is higher in low- and middle-income countries.Although maternal mortality has declined in Peru, the EMM is not fully described,underlining the importance of its analysis to improve maternal health services.Objective: To describe EMM in the Regional Hospital of Ayacucho, Peru, betweenJune 2021 and June 2023, and to analyze key indicators to improve maternal care.Materials and methods: An observational, retrospective, cross-sectional study wasconducted with 100 cases of EMM. Socio-demographic data, obstetric characteristics,pathological history and interventions were assessed using epidemiologicalsurveillance forms and formulas to calculate the EMM, maternal mortality ratio andother metrics. Res...