Extreme preterm birth, defined as birth before 28 weeks' gestational age (box 1), 1 affects
about two to five in every 1000 pregnancies, and varies slightly by country and by definitions …

Objective To determine survival and neonatal morbidity for babies born between 22 and 26
weeks' gestation in England during 2006, and to evaluate changes in outcome since 1995 …

Preterm birth is a major challenge in perinatal health care. Most perinatal deaths occur in
preterm infants, and preterm birth is an important risk factor for neurological impairment and …

Objectives To evaluate the implementation of four high evidence practices for the care of
very preterm infants to assess their use and impact in routine clinical practice and whether …

Published reports of extremely preterm birth outcomes provide important information to
families, clinicians, and others and are widely used to make clinical and policy decisions …

This second paper in the Born Too Soon supplement presents a review of the epidemiology
of preterm birth, and its burden globally, including priorities for action to improve the data …

Objective To explore conditions and outcomes of a first delivery at term that might predict
later preterm birth. Design Population based, prospective register based study. Setting …

Introduction A population‐based observational study investigated the contribution of
obstetric factors to the survival and postnatal development of extremely preterm infants …

Executive summary This Framework has been developed by a multidisciplinary working
group in the light of evidence of improving outcomes for babies born before 27 completed …

Objective To assess changes in survival for infants born before 26 completed weeks of
gestation. Design Prospective cohort study in a geographically defined population. Setting …