Received: 22 January 2020
Accepted: 13 May 2020
First Online: 9 June 2020
Ethics approval and consent to participate
: The study was approved by the Research and Clinical Institute for Infertility in Yazd. The study was approved by the institute ethics committee (IR.SSU.RSI.REC.1394.15).
: <b>Not applicable</b>
: The authors declare that they have no competing interests.