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Article History

Received: 19 October 2022

Accepted: 14 June 2023

First Online: 29 June 2023

Declarations

:

: All authors declare that there is no conflict of interest regarding the publication of this article.

: This study was approved by the Ethics Committee of Beijing Obstetrics and Gynecology Hospital, Beijing, China (2018-KY-060-01). Sample collection was conducted after participant written informed consent and carried out in accordance with the declaration of Helsinki.

: All participants agreed to participate in the study and signed an informed consent form.

: Patients signed informed consent regarding publishing their data.