The International Glossary on Infertility and Fertility Care, 2017, is a comprehensive set of 283 consensus-based and evidence-driven terminologies developed to standardize and harmonize communication in the field of infertility and fertility care. The glossary was created through an inclusive process involving multiple stakeholders, including professionals from various sub-specialties and patient organizations. Key revisions include expanding the definition of infertility to cover a broader spectrum of conditions affecting reproductive capacity, introducing new terms like "fertility care" and "fertility awareness," and standardizing the definition of infertility to avoid confusion. The glossary aims to improve consistency in reporting and research, ensuring quality care for individuals and couples experiencing fertility issues. It also addresses ethical and human rights considerations, cultural sensitivities, and gender equality. The final version was reviewed and approved by an external expert group, including representatives from non-governmental organizations.The International Glossary on Infertility and Fertility Care, 2017, is a comprehensive set of 283 consensus-based and evidence-driven terminologies developed to standardize and harmonize communication in the field of infertility and fertility care. The glossary was created through an inclusive process involving multiple stakeholders, including professionals from various sub-specialties and patient organizations. Key revisions include expanding the definition of infertility to cover a broader spectrum of conditions affecting reproductive capacity, introducing new terms like "fertility care" and "fertility awareness," and standardizing the definition of infertility to avoid confusion. The glossary aims to improve consistency in reporting and research, ensuring quality care for individuals and couples experiencing fertility issues. It also addresses ethical and human rights considerations, cultural sensitivities, and gender equality. The final version was reviewed and approved by an external expert group, including representatives from non-governmental organizations.