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Intrauterine growth restriction or fetal growth restriction represents a fetal incapacity of achieving its entire growth potential in intrauterine life, as a result of maternal, fetal and/or placental causes, from hypertension, autoimmune diseases, drug consumption, hereditary thrombophilia to genetic syndromes, intrauterine infections, umbilical cord anomalies or placental insufficiency. The ultrasonographic evaluation of the fetus with intrauterine growth restriction identifies an estimated fetal weight or a fetal abdominal circumference below the 10 th percentile for gestational age; a severe fetal growth restriction is defined as an estimated fetal weight below the 3rd percentile. The Delphi consensus managed to classify fetal growth restriction as early, being diagnosed under 32 weeks of gestation, respectively late, after 32 weeks of gestation. Up to 10% of pregnancies are complicated by fetal growth restriction, which are then considered high-risk pregnancies for the morbidity and mortality risk carried for the fetus, requiring an accurate diagnosis of the cause, intensifying the fetal monitoring and timing the birth, in order to deliver the fetus in safe conditions. This paper proposes an algorithm for an initial evaluation of fetal growth restriction, with the aim of simplifying the medical approach when encountering a fetus with intrauterine growth restriction, in order to improve morbidity and mortality rates among pregnancies complicated by fetal growth restriction. [ABSTRACT FROM AUTHOR]