Ashwal E, et al. - Researchers performed a retrospective cohort study of all women with singleton pregnancies who underwent vaginal delivery in a university-affiliated tertiary hospital (1996–2015) to ascertain the neonatal birth weight (BW) thresholds for adverse maternal and neonatal outcome following vaginal delivery. For non-diabetic mothers who deliver vaginally, a significant increase in adverse neonatal outcomes was observed in relation to neonatal BW ≥ 4400 g, whereas a significant increase in adverse maternal outcomes was noted in relation to neonatal BW ≥ 4800 g.