摘要:The objective of the study was to determine the degree of adherence to the prenatal care guide in the State Social Enterprises of the first level of complexity of the northern sub-region, department of Magdalena (Colombia), from January to March of 2016. A descriptive study was carried out with a retrospective documentary review, which was developed in the first quarter of 2016. The census of the population was represented by 1164 Prenatal Control clinical records in the hospitals affiliated to the State Social Enterprises; of which 396 were randomly chosen for the construction of the research. The results showed non-adherence to prenatal care guidelines, observing that only hospital two meets 100% OPTIMO with four 66.6%) of the six items evaluated (Classification of obstetric risk, maternal clinical history and maternal cardiology perinatal, provision of micronutrients and reference and counterreferral). It was found that it is necessary to improve the monitoring of the alterations detected during pregnancy, especially as regards the risk classification with the aim of decreasing the maternal mortality rate in the department of Magdalena.