The gestational age boundary separating infants considered too immature for intensive care
from infants who may benefit has shifted dramatically during the past 50 years. In 1971, a …

Low weight at birth may be due to intrauterine growth restriction or premature birth. Preterm
birth is more common in low-and middle-income countries: 60% of preterm birth occur in sub …

Sex differences in the anatomy and physiology of the respiratory system have been widely
reported. These intrinsic sex differences have also been shown to modulate the …

Objective The objective of this study was to provide a systematic review and meta-analysis
to quantify prognosis and identify factors associated with variations in reported mortality …

Objective To compare the discriminative performances of the 2018 National Institutes of
Health (NIH) and the 2019 Jensen definitions of bronchopulmonary dysplasia (BPD) with the …

OBJECTIVE To provide contemporary data on infants inborn at 22 to 25 weeks' gestation
and receiving care at level 3 and 4 neonatal intensive care units in the United States …

Advances in neonatology have led to improved survival for periviable infants. Immaturity still
carries a high risk of short-and long-term harms, and uncertainty turns provision of life …

Importance There are conflicting data on the association between blood donor
characteristics and outcomes among patients receiving transfusions. Objective To evaluate …

Objectives Extremely preterm babies have a significant risk of neurodevelopmental
impairment (NDI). There has been little investigation regarding the impact of prematurity on …

OBJECTIVES Assess temporal changes, intercenter variability, and birthing person (BP)
factors relating to interventions for extremely early deliveries. METHODS Retrospective …