Differences in cortisol levels between preterm and term infants: a systematic review and meta-analysis combined with Mendelian randomization study.

Front Pediatr · 2026 · PMC13269068 · PMID 42311913

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showed a trendno p-value reported

However, when combined with meta-analysis results after two weeks, it is encouraging and uplifting that cortisol levels in premature infants showed a trend of being initially lower and then higher compared to term infants.

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