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Gynecology & Obstetrics

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Conditions We Treat: Selective Intrauterine Growth Restriction

In monochorionic (identical) twin pregnancies, two fetuses share a placenta. Selective intrauterine growth restriction (sIUGR) can occur if the placenta is not evenly apportioned between the twins. Because the placenta provides nourishment necessary for the growth and development of the twins, if there is an imbalance present, one twin may become malnourished. In severe cases of sIUGR, the fetuses share a circulatory system. Abnormal blood flow through the umbilical artery may endanger the survival of the restricted growth twin. Treatment options for sIUGR include surgically removing linked blood vessels and separation of the circulatory system.

Selective Intrauterine Growth Restriction: What You Need to Know

  • Twin-to-twin transfusion syndrome (TTTS) must be ruled out before diagnosing sIUGR.
  • We understand the urgency involved with treating a fetus with a sIUGR diagnosis. Our care team is available to take your call at any time and will see you as soon as possible.
  • Fetal therapy treatment options include surgery to remove linked blood vessels.
  • After treatment for sIUGR, our patients will have continued access to the most advanced multidisciplinary care at Johns Hopkins, including our fetal, maternal and pediatric specialties.

The Center for Fetal Therapy staff reviews a patient’s ultrasound.

Our Physicians

Rely on the expertise of our physicians to help you manage SIUGR.