Preterm birth was linked to hormone and metabolic differences in adulthood
A systematic review found associations across several adult health measures, but the abstract does not quantify the size of these differences.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
This abstract-based review links being born prematurely with a range of adult endocrine outcomes, including lower bone mineral density, thyroid problems, and metabolic differences. These are associations rather than proof that prematurity caused each outcome. Without numerical estimates or detailed study methods, the abstract cannot show how strongly any individual outcome was linked to preterm birth.
The abstract does not provide participant totals, comparison-group definitions, effect estimates, or a study-quality assessment. That limits judgments about the size and reliability of the associations, and how they apply to particular adults.
Several domains were examined
Reported associations included shorter height, lower fertility, reduced bone mineral density, and higher odds of an underactive thyroid. The review's scope extended beyond metabolism to growth, reproduction, bone health, and thyroid outcomes.
Metabolic findings featured prominently
Much of the evidence concerned metabolism and related health outcomes. These studies linked prematurity with diabetes risk, lower insulin sensitivity, greater body fat, and abnormal blood lipids; the abstract did not give the corresponding effect sizes.
The original publication
Long term endocrine issues in adults born prematurely: a systematic review.
Claffey T, Cullinan A, Downey J et al.
Front Pediatr · 2025
- PubMed ID
- 41244257
- Record checked
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