The impact of gender on premature birth outcomes

All males know it: there are more of us born, we are heavier at birth but suffer more in terms of many health outcomes and die younger than females. Males are more vulnerable to cardiovascular and respiratory morbidity, and it would seem that this tendency is exaggerated for males born preterm.

In the follow-up of a cohort of 797 infants born very prematurely (mean birth weight 853 grams and 26.5 weeks’ gestation) in the UK, Peacock and colleagues investigated whether boys did worse because of a more difficult