Received: 1 December 2019
Accepted: 24 April 2020
First Online: 16 June 2020
Ethics approval and consent to participate
: The current prospective randomized double-blinded study was conducted on 60 adult female patients scheduled to undergo transvaginal oocyte retrieval procedure under sonar guidance in obstetrics/gynecology Ain Shams University hospital through the period from April 2019 to November 2019 after obtaining approval of research ethical committee (REC) of Faculty of medicine—Ain Shams University (FMASU) at March 2019 with reference number of FMASU R 23/2019 and patients’ guardian written informed consents for acceptance of participation in the study.
: Not applicable.
: All the authors declare that they have no competing interests.