A total of 134 infertile women who undergo IVF or ICSI treatment cycle at Royan Institute (Infertility and Reproductive Medicine Research Centre) will enroll in this prospective randomized clinical trial study and will randomly be divided into two groups of 67 patients. This study has been approved by Royan ethics committee and written consent will be obtained from each patient. The patients with frozen-thawed embryo transfer cycle and those with oocyte donation cycle, the women with uterine abnormality and the subjects with submucosal and intramural myoma, will be excluded from this study.