Papers/PMID:23151532
Effects of vitamin A and β-carotene supplementation on birth size and length of gestation in rural Bangladesh: a cluster-randomized trial.
The American journal of clinical nutrition2013The record
2 findings · 1 compound · 2 endpoints · 2 null
What it reported
How to read these marksEvery finding here is a null result.
What did not
2 findings
all-trans-retinol — no detected effect on gestational age at delivery (length of gestation)
Very limitedEvidence strength: very limited. Human evidence with major recorded weaknesses, or non-human, uncontrolled or unverified evidence.FindingNull result“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
all-trans-retinol — 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