all-trans-retinol/Finding
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No detected effect on preterm birth incidence
Very limitedEvidence strength: very limited. Human evidence with major recorded weaknesses, or non-human, uncontrolled or unverified evidence.FindingNull resultreplicated ×3“Neither gestational age nor preterm birth rate differed with vitamin A or β-carotene supplementation.”
Quoted verbatim from Effects of vitamin A and β-carotene supplementation on birth size and length of gestation in rural Bangladesh: a cluster-randomized trial.. - Study
- RCT
- Population
- Pregnant women in rural northwestern Bangladesh, cluster-randomised, placebo-controlled; vitamin A and a separate β-carotene arm each against placebo
Effects of vitamin A and β-carotene supplementation on birth size and length of gestation in rural Bangladesh: a cluster-randomized trial.2013PMID:23151532Permalink
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To cite this finding: https://catalystproject.ai/e/01M5MD2NB84409KG4HR3PN0J0T