With the intention that these results reach the authorities and that they take measures to improve the health of pregnant women and newborns in the Loreto Region, this research was carried out to establish the nutritional status of the pregnant woman and its relationship with the nutritional status of the newborn nutritional status of the pregnant woman and its relationship with the nutritional status of the newborn attended at the IPRESS I-4 San Juan de Miraflores. The sample consisted of 235 pregnant women and 235 newborns. Using the direct interview technique and the use of medical records, the nutritional status was determined using the technical guide for the anthropometric nutritional assessment of pregnant women - MINSA, in addition, the fetal nutritional status was determined using the CANS SCORE for pregnant women fetal nutritional status was determined using the CANS SCORE for ...