Big babies get all of the attention in the news, but what about tiny full term babies? When a full term baby is much smaller than usual, it is called intrauterine growth restriction, or IUGR. Not all small babies are diagnosed with IUGR; those that do often have low amniotic fluid levels and do not grow at normal rates. If a baby stops growing, the doctor may choose to deliver the baby early to save his or her life. Before making any kind of decision to deliver early, the doctor will perform a variety of tests to determine the health of the baby and the cause of the IUGR.
There are a number of reasons a baby could develop IUGR. For one, there could be a problem with the placenta, which is responsible for providing the baby with the nourishment he or she needs to grow. The placenta might be too small, or it may have begun to detach prematurely. Certain diseases or medical conditions in the mother, such as preeclampsia or clotting disorders, among others, may also lead to IUGR. Birth defects such as anencephaly or chromosomal disorders like Down syndrome may be to blame for IUGR. Other factors that might lead to IUGR include smoking, drinking, drug use, severe malnutrition, infection, certain medications and carrying multiples.
It is important to monitor the baby’s health. Babies with IUGR are at risk for complications such as stillbirth, low blood sugar, compromised immune systems, low body temperatures, jaundice, and high red blood cell counts. They are also more likely to swallow meconium. IUGR has also been linked to cerebral palsy.
If a woman is at risk for having a baby with IUGR for any reason, extra ultrasounds may be done to track growth. If she has not gained the recommended amount of weight, the doctor may ask her to up her calorie intake each day and eliminate aerobic exercise. The outcome of the diagnosis depends on the severity of IUGR. Each case is different.
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