Neonatal respiratory morbidity in late-preterm births

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J Matern Fetal Neonatal Med. 2017 Feb;30(4):377-379. Epub 2016 Apr 28.
Neonatal respiratory morbidity in late-preterm births in

pregnancies with and without gestational
diabetesmellitus.
Bricelj K1, Tul N1, Lucovnik M1, Kronhauser-Cerar L1, Steblovnik L1, Verdenik
I1, Blickstein I2.
Author information

 1a Department of Perinatology , Division of Obstetrics and Gynecology, University Medical
Centre Ljubljana , Ljubljana , Slovenia , and.
 2b Department of Obstetrics and Gynecology , Kaplan Medical Center , Rehovot , Israel.

Abstract
OBJECTIVE:
To evaluate neonatal respiratory morbidity in infants born late-preterm to mothers with or
without gestational diabetesmellitus (GDM).

METHODS:
Analysis of a population-based cohort of all live-born singletons, born at 34 0/7 to 36 6/7
weeks to mothers with and without GDM, focusing on transient tachypnea of the newborn
(TTN) and respiratory distress syndrome (RDS).

RESULTS:
The study group comprised 363 (4.7%) singletons born to mothers with GDM and the
controls were 7400 born to mothers without GDM. Mothers with GDM were older
(31.4 ± 5.1 versus 29.5 ± 5.1 years, p < 0.001) and were more likely to be hypertensive
(OR 1.5, 95% CI 1.1-2.1). Neonates of GDM mothers were heavier at birth (2769 ± 539
versus 2636 ± 473 g, p < 0.001). We found a similar incidence of RDS and TTN in both
groups. The multiple regression analysis showed cesarean delivery and lower gestational
age were independently associated with RDS and TTN.

CONCLUSION:
GDM, per se, is not a major contributor to RDS in late pre-term infants. Rather, the
combination of prematurity and cesarean birth act independently to increase the risk of
respiratory morbidity.