Intrauterine Growth Restriction (IUGR)

Intrauterine growth restriction (IUGR), also called fetal growth restriction, is when the fetus's estimated weight is below the 10th percentile for gestational age. It can be caused by maternal, placental, or fetal factors.

Table of Contents

Common Causes

  • Placental insufficiency (most common)
  • Maternal hypertension and preeclampsia
  • Smoking, alcohol, drug use
  • Chronic maternal conditions (kidney disease, diabetes, autoimmune)
  • Multiple pregnancy
  • Fetal chromosomal abnormalities
  • Infections (CMV, toxoplasmosis)

Management

  • Frequent ultrasound monitoring of growth and Doppler
  • Non-stress tests and biophysical profiles
  • Timed delivery balancing risks of prematurity vs continued growth restriction
  • Treat underlying maternal conditions

Related Conditions

Preeclampsia

Common cause

 Gestational Hypertension

Related
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • ACOG. Fetal Growth Restriction.