Benefits and harms adopted by health economic assessments evaluating antenatal and newborn screening programmes in OECD countries: A systematic review of 336 articles and reports

•Health economic assessments are used to determine value for money of antenatal and newborn screening programmes.•Systematic review conducted to identify benefits and harms adopted in health economic assessments.•There is no consistency in the adoption of benefits and harms of screening programmes in these studies.•A thematic framework is proposed to assist researchers with the identification of benefits and harms.