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The authors would like to thank the Editors of the scientific journal “Geburtshilfe und Frauenheilkunde” for giving them the opportunity to write and publish this comment on the article by Kadi and Wiesing. The article “The German IVF Register as an Instrument to Document Assisted Reproductive Technologies” by Kadi andWiesing takes a critical look at the structure and work of the German IVF Register (D.I.R). The main issues criticized in their article are: 1. The Register does not have data from all the IVF centers in Germany. 2. The datasets on fertility procedures reported to the German IVF Register are incomplete. 3. Collection of data is not exclusively prospective. 4. The Register only publishes average data for all of Germany and does not publish center-specific data. 5. The presentation of the data is consistently unsuitable for use by non-specialists. Although the first four criticisms are not altogether wrong, in the opinion of the Board of the D.I.R the overall situation is significantly less critical than portrayed in the article. The German IVF Register was set up in 1982 by various working groups, all of which were part of university institutions at the time. The fact that, at a time when no legal regulations existed, these working groups recognized the necessity for data to be collected and analyzed centrally and also that they carried out this work voluntarily and of their own accord cannot be praised highly enough. Since then, the D.I.R has existed not just as a voluntary, self-motivated instrument for medical quality assurance but also as the largest data collection on assisted reproductive procedures in Germany. It should also be emphasized that the D.I.R is financed through voluntary contributions paid by centers of reproductive medicine; the centers are currently (as at 2016) invoiced the sum of € 2.20 per documented treat-

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Comment by the Board of the German IVF Register on the Article “The German IVF Register as an Instrument to Document Assisted Reproductive Technologies” by S. Kadi and U. Wiesing