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Revista paulista de pediatria\u202f: orgao oficial da Sociedade de Pediatria de Sao Paulo. 2022;41:e2021389.","journal-title":"Revista paulista de pediatria : orgao oficial da Sociedade de Pediatria de Sao Paulo"}],"container-title":["BMC Pregnancy and Childbirth"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/article\/10.1186\/s12884-026-08798-8","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12884-026-08798-8.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12884-026-08798-8.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T10:29:58Z","timestamp":1774434598000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1186\/s12884-026-08798-8"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,2,17]]},"references-count":35,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2026,12]]}},"alternative-id":["8798"],"URL":"https:\/\/doi.org\/10.1186\/s12884-026-08798-8","relation":{},"ISSN":["1471-2393"],"issn-type":[{"value":"1471-2393","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,2,17]]},"assertion":[{"value":"23 July 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"6 February 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"17 February 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"This study received approval from the Ethics Committees of the Children\u2019s Hospital of Fudan University (No. 2018-296), which was recognised by all participating hospitals. 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