期刊
NEUROPSYCHOLOGY
卷 28, 期 1, 页码 11-18出版社
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/neu0000018
关键词
cognitive development; neonatal risk factors; premature; preschool; late preterm
资金
- Maggie Snyder Foundation for the Premature and Pediatric Pulmonary Patient of Falls Church, Virginia
- Inova Health Foundation, Falls Church, Virginia
Objective: Late preterm birth increases risk of perinatal health complications that typically resolve in the short term. Thus, early elective delivery is thought to have no long-term effects. Whether there is increased risk of adverse psychological outcomes that emerge in early childhood remains uncertain. Method: The authors compared intellectual, neuropsychological, and behavioral outcomes in 278 late preterm (35-36 weeks) and 192 term (37-41 weeks) participants at age 3 years recruited from a single center, using analysis of variance, analysis of covariance, and regression analyses. Late-preterm participants were further subgrouped by admission to the neonatal intensive care unit (NICU; n = 202) or a well-baby unit (n = 76). Analyses included 132 additional participants born at 34 weeks. Results: Late preterm participants had lower general conceptual ability (GCA; i.e., IQ); lower verbal, nonverbal, spatial, visuomotor, and dexterity scores; and poorer adaptability than term participants (p < .01; -0.271 to -0.511 SDs). Gestational age was the most important predictor of these subtle outcomes, not neonatal medical variables; no differences were found between NICU admitted and nonadmitted late-preterm groups. A 1-week increase in gestational age resulted in a 1.941 increase in GCA (d = 0.127). Conclusion: Gestation is a developmental continuum best not interrupted during its natural course. Our data showing subtle but appreciable effects have important implications for obstetric practice and parental decision making regarding early elective delivery in the absence of maternal or fetal adverse indications.
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