The document summarizes the history and current status of the ILO and IMO guidelines on medical examinations for seafarers. It discusses how the original guidelines from 1997 were revised to provide more specific guidance and reflect changes in international standards. The current guidelines provide practical guidance for competent authorities and medical practitioners on conducting examinations and ensuring quality standards. Implementation of the Maritime Labour Convention is being monitored, including questions about countries' requirements for medical certification of seafarers. Port state control data on deficiencies found regarding medical certificates is presented. Remaining questions are raised about adherence to the ILO/IMO guidelines.