Suboptimal prenatal screening of and infections in a Montréal birthing and tertiary care centre: A retrospective cohort study.

Background: The Canadian Paediatric Society no longer recommends the use of universal ocular prophylaxis with erythromycin ointment to prevent ophthalmia neonatorum. Screening for and in all pregnant women is considered the most effective way of preventing vertical transmission and ophthalmia neonatorum.

Objective: The aims of this study were to assess prenatal screening rates of and and to compare sociodemographic factors between those screened and those not screened.