Received: 2 February 2021
Accepted: 20 July 2021
First Online: 16 September 2021
: All patients and healthy women provided written informed consent before entering the study. This study was approved by the Institutional Ethics Committee of Affiliated Tumour Hospital of Xinjiang Medical University. This study was carried out according to the principles recommended in the Declaration of Helsinki 1964 and all subsequent revisions.
: Not applicable.
: The authors declare that they have no competing interests.