Background Many factors can affect the clinical outcome of extremely premature infants
(EPIs), but the effect of sex is paradoxical. This study used propensity score matching to …

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 …

Aim To determine whether there were differences between male and female infants in
respiratory morbidity in a whole population of extremely preterm infants, including infants …

For the past century, researchers have underscored the “disadvantage” observed in
respiratory morbidity and mortality of male newborns. In this contemporary review, we …

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 …

This study aims to determine whether male sex has adverse effect on mortality and
morbidities in very low birth weight infants (VLBWI)< 30 weeks of gestation and to ascertain …

The effects of improved survival of EPT infants on morbidity among survivors remain largely
controversial. This retrospective cohort study of the Korean Neonatal Network data …

Background There is a paucity of studies conducted in China on the outcomes of all live-
birth extremely premature infants (EPIs) and there is no unified recommendation on the …

Background Advances in perinatal care have markedly increased the prospects of survival
for infants born extremely preterm (EP). The aim of this study was to investigate …

Importance Extremely preterm infants (EPIs) are at high risk of mortality and disability, and
whether obstetricians are active in treating EPIs is directly related to whether EPIs can get an …