Table 2.

Available data sets at Better Outcomes Registry & Network (BORN) Ontario

	Legacy data holdings	BORN Information System
Description	Includes record-level data from: Niday Perinatal Database the Ontario Midwifery Program Prenatal Screening Ontario and historical non-invasive prenatal-testing and cytogenetic-testing results the Canadian Assisted Reproductive Technologies Register (CARTR)	Includes record-level data from birthing hospitals, midwifery practice groups, birthing centres, fertility clinics, prenatal- and newborn-screening laboratories, follow-up clinics, clinical programmes and primary-care organizations
Time frame	April 2006–March 2012	April 2012–present
Data dictionary	https://bit.ly/2whlSRu	https://bit.ly/2I55jec