Table A1.

The specific search terms including used filters, and the number of articles found per database).

Search Database	Search Terms	Filters	Articles (n)
Pubmed	Medical error, medical mistake, adverse event, risk management, health care quality assessment, health care quality, access, and evaluation, gynaecology and/or obstetrics	Language: English or Dutch Full text Last 10 years * Title/abstract gynaecology and/or obstetrics	1598
EMBASE	Medical error, medical mistake, adverse event, complication, risk factor, risk management, incident report, risk report, quality assurance, quality assessment, health care quality assessment, health care quality, access, and evaluation, gynaecology or obstetrics	Language: English or Dutch Last 10 years	701
Web of knowledge	Medical error, medical mistake, adverse event, complication, risk factor, risk management, incident report, quality assurance, quality assessment, health care quality assessment	Language: English or Dutch Timespan: 2010–2020	2988
cocchrane library	Medical error, medical mistake, adverse event, risk management, health care quality assessment, health care quality, access and evaluation, gynaecology, obstetrics	Jan 2010–Jan 2020	1003
Total (before exclusion)			6290

* Inter observer reliability.