Interview with Dr. Kris Aubrey-Bassler, family physician and associate professor in the Primary Healthcare Research Unit at Memorial University. In their observational study, Dr. Aubrey-Bassler and colleagues analyzed administrative data for all hospital births in Canada (except Quebec) between April 2006 and March 2009, comprising nearly 800 000 babies and 800 000 mothers. Instrumental variable analysis was used to adjust for unmeasured potential confounders. Whether babies were delivered by a family physician or an obstetrician made no difference to perinatal mortality or to maternal mortality and morbidity. Full article: https://www.cmaj.ca/lookup/doi/10.1503/cmaj.141633To request a transcript of this podcast, contact cmajgroup@cmaj.ca