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With IUGR, a baby in the womb is smaller than normal. This means the baby is not growing at a normal rate.
IUGR results when a baby does not get enough oxygen and nutrition in the womb. One possible cause is certain health problems in the mother. These include high blood pressure, diabetes, heart disease, or kidney disease. Another possible cause is a genetic disorder in the baby. IUGR is much more likely if the mother smokes, drinks, or abuses drugs. And IUGR is common when the mother is pregnant with more than one baby.
During routine visits, you and your baby are closely monitored. This is done with ultrasound tests. Also, the height of your uterus (fundal height) is measured. A baby with IUGR will have smaller ultrasound and fundal height measurements. Doppler ultrasound can help confirm IUGR. To look for a genetic problem or infection, amniocentesis may be done. This tests a sample of the fluid taken from around the baby (amniotic fluid).
The growth of a baby with IUGR will continue to be closely monitored. Any treatment depends on the cause. If the mother smokes, drinks, or uses drugs, stopping is essential. In other cases, treatments may include:
Bed rest. This helps increase blood flow to the placenta.
Eating more. This can help the baby gain more weight.
Medications. These treat health problems such as high blood pressure.
Early delivery of the baby. This may be needed if the baby’s health is danger.
Your doctor can discuss the best treatment for you and your baby.
A baby diagnosed with IUGR may have health problems after birth. These include trouble fighting infections or keeping a normal body temperature. With treatment and close follow-up, babies may catch up in growth. In some cases, babies have long-term health problems. Your doctor can tell you more.