Importance Extreme prematurity is associated with a substantial burden on health care
systems worldwide. However, little is known about the prognosis of infants born extremely …

Importance Despite improvement during recent decades, extremely preterm infants continue
to contribute disproportionately to neonatal mortality and childhood morbidity. Objective To …

Importance Extremely preterm infants contribute disproportionately to neonatal morbidity
and mortality. Objective To review 20-year trends in maternal/neonatal care, complications …

Background An increasing number of extremely preterm (EP) infants have survived
worldwide. However, few data have been reported from China. This study was designed to …

Background The outcome of preterm infants has been varied in different hospitals and
regions in developing countries. Regular clinical monitor are needed to know the effects of …

Importance The Chinese Neonatal Network was established in 2018 and maintains a
standardized national clinical database of very preterm or very low-birth-weight infants in …

Objectives: Outborn (born outside tertiary centers) infants, especially extremely preterm
infants, are at an increased risk of mortality and morbidity in comparison to inborn (born in …

Background Understanding the causes and timing of death in extremely premature infants
may guide research efforts and inform the counseling of families. Methods We analyzed …

Background Extremely preterm infants (EPT,< 29 weeks' gestation) represent only 0.9% of
births in the United States; yet these infants are the focus of most published research …

Objective To evaluate outcome trends of neonates born very preterm in 11 high-income
countries participating in the International Network for Evaluating Outcomes of neonates …