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Every Day in the Womb Boosts Babies' Brain Development: Study
Growth is exponential in third trimester, researchers report

By Robert Preidt

MONDAY, Oct. 31, 2016 (HealthDay News) -- Carrying a baby as close to full term as possible is better for the baby's brain development, a new study suggests.

"What this study shows us is that every day and every week of in utero development is critical," said study senior author Catherine Limperopoulos. She directs the Developing Brain Research Laboratory at Children's National Health System in Washington, D.C.

"If at all possible, we need to keep fetuses in utero to protect them from the hazards that can occur in the extra uterine environment," she said in a hospital system news release.

The researchers said that during the third trimester of pregnancy, the fetal brain grows exponentially. The brain increases fourfold in size during this time, the researchers added.

The study included 75 preterm infants born before 32 weeks of pregnancy. The mean gestational age was 27 weeks. These babies weighed less than 1,500 grams (3.3 pounds) at birth. They showed no signs of structural brain injury.

The preterm babies were compared to 130 infants born full term at a mean age of 39 weeks of pregnancy. The mean birth weight was nearly 3,400 grams (almost 7.5 pounds), the study authors said.

A comparison of the infants' brains in the third trimester (the final 13 to 14 weeks of pregnancy) revealed that the premature infants had lower volumes in the cerebrum, cerebellum, brain stem and intracranial cavity.

The cerebrum is the largest part of the brain and controls speech, thoughts, emotions, learning and muscle function. The cerebellum is involved in learning, social-behavioral functions and complex motor functions, and also controls the balance needed to stand up and walk. The brain stem carries information between the brain, the cerebellum and the spinal cord, the study authors explained.

"What is really unique about these study results is for the very first time we have an opportunity to better understand the ways in which we care for preemies throughout their hospitalization that optimize brain development and place more emphasis on those activities," Limperopoulos said.

The study was published Oct. 28 in the journal Pediatrics.

More information

The March of Dimes has more on premature infants.

SOURCE: Children's National Health System, news release, Oct. 28, 2016

Copyright © 2016 HealthDay. All rights reserved. URL:http://consumer.healthday.com/Article.asp?AID=716304

Resources from HONselect: HONselect is the HON's medical search engine. It retrieves scientific articles, images, conferences and web sites on the selected subject.
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Disclaimer: The text presented on this page is not a substitute for professional medical advice. It is for your information only and may not represent your true individual medical situation. Do not hesitate to consult your healthcare provider if you have any questions or concerns. Do not use this information to diagnose or treat a health problem or disease without consulting a qualified healthcare professional.
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