Document Type : Case Report/Series
Acknowledgements: We are very grateful to all the department of meternity block and pathology staff, Razavi hospital, Mashhad, Iran.
Availability of data and materials: The dataset presented in the study is available on request from the corresponding author during submission or after publication.
Conflicts of interests: The authors declare no conflict of interest.
Consent for publication: Written informed consent was obtained from the patient's guardians to publish.
Ethics approval and consent to participate: Written informed consent was obtained from the patient's guardians to publish. Also, this study was conducted in accordance with the ethical principles outlined in the Declaration of Helsinki
Financial disclosure: No financial support was received for this study.
Author contributions: S.N.: Contributed to the conception of the work, revising the draft, approving the final version of the manuscript, and agreeing on all aspects of the work; A. S. B: Contributed to acquiring data, drafting the manuscript, and approving the final version; G. K. and B.F.: Contributed to the conception and design of the study, critical revision, and approval of the manuscript's final version; Sh. S., Contributed to the conception and design of the study, drafting of the manuscript, critical revision, and approval of the final version.
Open Access Policy: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. To view a copy of this licence, visit https://creativecommons.org/licenses/by/4.0/