has part has part characteristic of inheres in has modifier embryo development Growth delay Intrauterine growth retardation Intrauterine growth restriction SNOMEDCT_US:22033007 Intrauterine growth failure HP:0008931 Prenatal growth deficiency HP:0008892 SNOMEDCT_US:199612005 Intrauterine growth restriction is a newer term that is preferred over Intrauterine growth retardation. The causes of IUGR include maternal abnormalities (chronic hypertension, cyanotic heart disease, smoking, drug abuse), placental or umbilical cord abnormalities (including placenta previa and cord anomalies), maternal medicationas, and genetic disorders of the fetus. Intrauterine retardation Prenatal-onset growth retardation Fetal growth restriction HP:0001515 Prenatal onset growth retardation HP:0008862 UMLS:C0021296 Prenatal growth retardation Intrauterine growth retardation, IUGR IUGR Prenatal growth failure UMLS:C1386048 HP:0001511 An abnormal restriction of fetal growth with fetal weight below the tenth percentile for gestational age. In utero growth retardation Small for gestational age infant FGR UMLS:C0015934 abnormal decreased rate