Mitochondrial DNA copy number variation across three generations: a possible biomarker for assessing perinatal outcomes.

"Declarations Ethics approval and consent to participateThe current study is conformed to the principles of the Helsinki Declaration. Ethical approval for this study was obtained from the Ethical Review Committee of our institution (reference no. Kanken 22-140). Also, this study was approved by the Sample and Data Access Committee of ToMMo and IMM (reference no. 2021-0021-1). Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding This work was supported by the Grants-in-Aid for Scientific Research (Grant-in-Aid for Early-Career Scientists), Japan Society for the Promotion of Science (21K17891) (H.F.) and The Nakatomi Foundation (H.F.)."