ArticlePediatric research2026
Early neonatal transfers after moderate and late preterm birth: a nationwide cohort study based on the French National Health Data System.
Article in Pediatric research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesTo investigate how level of maternity unit and clinical risk factors influence early neonatal transfer among moderate and late preterm (MLP; 32-36 weeks' gestation (WG)) infants.
methodsWe conducted a nationwide cohort study including all liveborn MLP infants in France between 2014 and 2021. Infants with congenital malformations, stillbirths, and out-of-hospital births were excluded. Neonatal transfers within 48 h after birth, with death before 48 h as a competing event, were analyzed by gestational age, maternity level (I/IIa/IIb/III) and major clinical risk groups, including multiple pregnancy, small for gestational age (SGA) and/or fetal growth restriction (FGR) and maternal pregnancy complications.
resultsAmong 309,062 MLP infants, 6.7% were transferred (6.5%) or died (0.2%). Transfer rates declined by gestational age from 14.7% at 32 weeks to 3.4% at 36 WG. Transfers were most frequent in level I (19.0%) and IIa (9.5%) units, compared with level IIb (3.5%) and III (3.0%) units. Clinical risk, particularly SGA/FGR, was associated with high transfer rates in level I and II units, even at later gestations (88.2% at 34 WG and 33.1% at 36 WG in level I units).
conclusionVariability in transfer rates in subgroups of MLP infants highlights the need for risk-stratified regionalization policies. IMPACT: Early neonatal transfer within 48 h affects a substantial proportion of moderate and late preterm infants (32-36 weeks' gestation), highlighting mismatches between neonatal care needs and the level of maternity care at birth. In a nationwide cohort of over 300,000 infants in France, early transfer rates were higher among clinically vulnerable infants, particularly those with fetal growth restriction or small-for-gestational-age status when born in lower-level maternity units. Incorporating risk stratification beyond gestational age into perinatal regionalization strategies may reduce avoidable transfers and improve equity and early neonatal outcomes.
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