Caesarean delivery, childhood asthma, and effect modification by sex: An observational study and meta-analysis.

Audrey Flak Pennington Matthew J StricklandMitchel KleinCarolyn Drews-BotschCraig HansenLyndsey A Darrow

Published in: Paediatric and perinatal epidemiology (2018)

Higher, but imprecise, estimates for females across five studies should motivate investigators to estimate sex-specific associations for caesarean delivery and asthma and to explore biological mechanisms or sex-dependent biases that could explain this possible heterogeneity.

Keyphrases

chronic obstructive pulmonary disease
lung function
allergic rhinitis
single cell
cystic fibrosis
air pollution
young adults
case control
childhood cancer