fa Reproductive Andrology Original Article Original Article The authors of the above article published in IJRM, formerly named as “Iranian Journal of Reproductive Medicine (Vol. 10, No. 2; pp: 131–136) have been informed of a misnomer that occurred on page 134 in which the word “randomized” should be replaced with “divided”. On behalf of the author, the publisher wishes to apologize for this error. The online version of article has been updated on April 16, 2021 and can be found at http: //journals.ssu.ac.ir/ijrmnew/article-1-265-en.html (doi.org/10.18502/ijrm.vol10i2.9056). Corrigendum, conventional IVF 391 391 http://ijrm.ir/browse.php?a_code=A-10-967-1&slc_lang=fa&sid=1 Maryam Eftekhar 0000-0003-3835-5635 No Department of Obstetrics and Gynecology, Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. Farnaz Mohammadian mohamadian@zums.ac.ir 0000-0003-2510-9216 Yes Department of Obstetrics and Gynecology, Zanjan University of Medical Sciences, Azadi Avenue, Zanjan, Iran. Fariba Yousefnejad No Department of Obstetrics and Gynecology, Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. Behnaz Molaei No Department of Obstetrics and Gynecology, Zanjan University of Medical Sciences, Azadi Avenue, Zanjan, Iran. Abbas Aflatoonian 0000-0002-2896-6136 No Department of Obstetrics and Gynecology, Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.