IUGR
Also written as: IUGR — Intrauterine Growth Restriction
Intrauterine growth restriction - fetal growth below the 10th percentile for gestational age.
Full Definition
IUGR, or intrauterine growth restriction, refers to a condition where fetal growth is significantly restricted during pregnancy, typically defined as estimated fetal weight below the 10th percentile for gestational age. This condition can result from maternal factors (hypertension, malnutrition), placental insufficiency, or fetal abnormalities. IUGR infants are at increased risk for perinatal complications including hypoglycemia, polycythemia, temperature instability, and feeding difficulties. These infants may appear thin with loose, dry skin and may have asymmetric growth patterns where head circumference is preserved relative to weight. Long-term outcomes can include developmental delays and increased risk of cardiovascular disease in adulthood.
Usage
Usage note: Newer terminology favors 'fetal growth restriction' (FGR) over IUGR in some contexts.
In Context
- "The newborn showed signs of IUGR with birth weight at the 5th percentile despite 38 weeks gestation." — Admission assessment
- "Doppler studies during pregnancy suggested IUGR secondary to placental insufficiency." — Prenatal consultation note