en Fertility & Infertility Original Article Original Article <div style="text-align: justify;"><span style="font-size:12pt"><span style="text-justify:inter-ideograph"><span style="text-autospace:none"><span new="" roman="" style="font-family:" times=""><span advtrebu-b="" style="font-family:">The authors of article entitled &quot;The effect of endometrial injury on pregnancy rate in frozen-thawed embryo transfer: A randomized control trial &quot; requested some corrections in their article due to re-analyze their data. The authors reviewed the data and confirmed the critical but inadvertent statistical analysis errors which had occurred during research. As the authors explain in their letter to the editor, the errors are listed as:</span></span></span></span></span><br> <span style="font-size:12pt"><span style="text-justify:inter-ideograph"><span new="" roman="" style="font-family:" times=""><span style="font-family:"AdvTREBU-R","serif""></span></span></span></span></div> <ul> <li style="text-align: justify;"><span style="font-size:12pt"><span style="text-justify:inter-ideograph"><span new="" roman="" style="font-family:" times=""><span advtrebu-r="" style="font-family:">The recruitment end date has been changed from </span><span advtrebu-r="" style="font-family:">January 2016 to December 2015.</span><span style="font-family:"AdvTREBU-R","serif""></span></span></span></span></li> <li style="text-align: justify;"><span style="font-size:12pt"><span style="text-justify:inter-ideograph"><span new="" roman="" style="font-family:" times=""><span advtrebu-r="" style="font-family:">The Fisher exact test has been added in statistical analysis section.</span></span></span></span></li> <li style="text-align: justify;"><span style="font-size:12pt"><span style="text-justify:inter-ideograph"><span new="" roman="" style="font-family:" times=""><span advtrebu-r="" style="font-family:">A typographical error has occurred in eligible woman which mistyped 210 instead of 120. </span>Also, in the first group, 45 women were analyzed at the end, of which 48 were incorrectly stated<span advtrebu-r="" style="font-family:">.</span></span></span></span></li> </ul> <div style="text-align: justify;"><span style="font-size:12.0pt"><span advtrebu-r="" style="font-family:">Some numbers in tables has been changed and statistical tests has been revised.</span></span></div> endometrial injury,pregnancy 231 232 http://ijrm.ir/browse.php?a_code=A-10-2144-2&slc_lang=en&sid=1 Abbas Aflatoonian 0000-0002-2896-6136 No Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. Ramesh Baradaran Bagheri rameshbaradaran@ssu.ac.ir 0000-0002-9853-6799 Yes Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. Robabe Hosseinisadat 0000-0001-5429-3791 No Department of Obstetrics and Gynecology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran.