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Impact of the COVID-19 pandemic on the monthly proportion of male births and spontaneous fetal death rates in Japan: a descriptive epidemiological study using national vital statistics

Crossref DOI link: https://doi.org/10.1186/s12889-025-24276-w

Published Online: 2025-10-29

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Takahashi, Mihoko
Funding

Funding for this research was provided by:

Japan Society for the Promotion of Science (KAKENHI Grant Numbers JP19590642)
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Text and Data Mining valid from 2025-10-29

Version of Record valid from 2025-10-29
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Article History

Received: 1 May 2025

Accepted: 1 August 2025

First Online: 29 October 2025

Declarations

:

: Not applicable. This study used published data.

: Not applicable.

: The authors declare no competing interests.

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