<prompt> IUGR is caused by all exceptDiabetesAlcoholSmokingChronic renal failure  <response>: Intrauterine growth restrictionIUGR refers to those fetuses that have failed to achieve their own growth potential. Causes include: Foetal causes like chromosomal abnormality, congenital malformation and congenital infections. Placental causes uteroplacental insufficiencycaused by preeclampsia, collagen vascular disease, APLA syndrome, inherited thrombophilias, diabetes with vasculopathy, multiple pregnancies, placental and cord abnormalities. Maternal causes like poor weight gain, smoking, alcohol, cocaine, anticonvulsant drugs, chronic maternal diseases causing severe hypoxia like chronic renal failure, severe anemia, congenital cyanotic hea disease. Reference : page 201 Textbook of Obstetrics Sheila Balakrishnan 2nd edition 