Outcome of extremely preterm infants after iatrogenic or spontaneous birth
Introduction: The risks of preterm birth are known. We investigated the perinatal and infant mortality and morbidity after iatrogenic or spontaneous onset of extremely preterm birth. Material and methods: The present study used data from the population-based EXPRESS study comprising all infants delivered before 27+0 gestational weeks in Sweden between 2004 and 2007. All fetuses alive at admission
