Received: 22 December 2020
Accepted: 14 June 2021
First Online: 17 August 2021
: The study was approved by Ethics Committee of Kashan University of Medical Sciences (Registration No: IR.KAUMS.NUHEPM.REC.1399.023). Enrollment of the respondents was voluntary, and all pregnant women gave written informed consent to participate in the study.All methods in our study were carried out in accordance with relevant guidelines and regulations.
: The authors declare that they have no competing interests.