Late preterm birth is associated with short‐term morbidity but not with adverse neurodevelopmental and physical outcomes at 1 year

We compared the neonatal and infant outcomes at one year (Bayley mental and psychomotor development index, and physical growth) of babies who were ( n  = 63) or were not ( n  = 100) delivered prior to 37 weeks in women admitted in threatened late preterm labor (34–35 +6  weeks) with a cervix ≤15 mm. The women were part of a clinical trial to investigate the tocolytic effect of the oxytocin antagonist barusiban. Babies born late preterm (34–36 +6  weeks) had a significantly increased risk of short‐term morbidity (hepatobiliary disorders, respiratory disorders, metabolic disorders, nervous system disorders, infection; p  < 0.05 for each) compared with those born at term, but there were no significant differences in the neurodevelopmental and physical outcomes at one year ( p  > 0.05 for both one‐year outcomes).