41 weeks), those born before 39 weeks will experience symptoms connected with attention-deficit/hyperactivity disorder (ADHD), in accordance with a report by Rutgers Robert Wood Johnson Medical School.
ADHD, which affects a lot more than 10 percent of U.S. school-age children, based on the Centers for Disease Control and Prevention, manifests early in childhood with outward indications of hyperactivity, impulsivity or inattention, and contains known links to preterm birth (significantly less than 37 weeks gestation). The analysis, published in the Journal of Pediatrics, is among just a few to research the associations between gestational age at term (3741 weeks) and an analysis or outward indications of ADHD. It’s the first to add reports from teachers.
“Teachers’ reports, together with maternal reports and physician evaluations, provide valuable input for the diagnosis of ADHD,” said Nancy Reichman, writer of the analysis and a professor of pediatrics at Rutgers Robert Wood Johnson Medical School. “Mother-reported symptoms generally reflect behaviors in the house or in small family or social groups, while teacher-reported symptoms reflect behaviors in a structured educational setting by professionals who utilize a large numbers of children and take notice of the selection of behaviors that students exhibit in classrooms.”
Reichman and her team, including Rutgers Robert Wood Johnson Medical School neonatology fellow Geethanjali Linguasubramanian, sought to estimate the associations between gestational age at term and 9-year-old children’s outward indications of ADHD reported by their teachers.
They analyzed data on about 1,400 children in the Fragile Families and Child Wellbeing study, a U.S. birth cohort study that randomly sampled births in 75 hospitals in 20 large U.S. cities from 1998 to 2000 and re-interviewed mothers over nine years. Through the nine-year follow-up, consent was obtained to get hold of the children’s teachers, who have been asked to judge their students utilizing the Conners’ Teacher Rating ScaleRevised Short Form, which include outward indications of hyperactivity, ADHD, oppositional behavior and cognitive problems or inattention.
Overall, the Rutgers researchers discovered that children born early-term (3738 weeks) had significantly higher scores on the teacher rating scales than children who have been full-term (3941 weeks) for hyperactivity, ADHD and cognitive problems or inattention, but that gestational age wasn’t significantly connected with oppositional behavior.
Specifically, the researchers discovered that every week of gestational age at term was connected with 6 percent lower hyperactivity scores and 5 percent lower ADHD and cognitive problems or inattention scores, and that birth at 37 to 38 weeks was connected with 23 percent higher hyperactivity scores and 17 percent higher ADHD scores in comparison to birth at 39 to 41 weeks.
“The findings increase growing evidence supporting current tips for delaying elective deliveries to at the very least 39 weeks and claim that regular screenings for ADHD symptoms are essential for children born at 37 to 38 weeks,” Reichman said.
Preterm infants are in increased risk for ADHD due to immature brain development, she said. “Significant growth and development in a variety of forms of brain cells are found between 34 and 40 weeks of gestation,” said Reichman. “Infants born at full-term likely take advantage of the additional one or two weeks of brain growth in utero weighed against those born early-term.”
More info: Geethanjali Lingasubramanian et al, Gestational Age at Term and Teacher-Reported ADHD Symptom Patterns, The Journal of Pediatrics (2022). DOI: 10.1016/j.jpeds.2022.07.042
Citation: Early-term births connected with higher level of ADHD as reported by teachers (2022, August 12) retrieved 13 August 2022 from https://medicalxpress.com/news/2022-08-early-term-births-higher-adhd-teachers.html
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