Evidence map›Paper›PMID 28520809›Full record

ArticlePloS one2017

Antenatal coffee and tea consumption and the effect on birth outcome and hypertensive pregnancy disorders.

Timothy van der Hoeven, Joyce L Browne, Cuno S P M Uiterwaal, Cornelis K van der Ent, Diederick E Grobbee, Geertje W Dalmeijer

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 3 pooled it
3.7field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 3 syntheses or guidelines pooled it, 42 citations in OpenAlex.

  1. Pooled it
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  6. Review
  7. Review
  8. Article
  9. Safety of English ivy (Hedera helix) leaf extract during pregnancy: retrospective cohort study.Daru : journal of Faculty of Pharmacy, Tehran University of Medical Sciences · 2021
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  16. Association between Caffeine Consumption in Pregnancy and Low Birth Weight and Preterm Birth in the birth Cohort of Ribeirão Preto.Revista brasileira de ginecologia e obstetricia : revista da Federacao Brasileira das Sociedades de Ginecologia e Obstetricia · 2018
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

Timothy van der HoevenJulius Center for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, The Netherlands.
Joyce L BrowneJulius Center for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, The Netherlands.
Cuno S P M UiterwaalJulius Center for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, The Netherlands.
Cornelis K van der EntDepartment of Pediatric Pulmonology, Wilhelmina Children's Hospital, University Medical Centre Utrecht, Utrecht, The Netherlands.
Diederick E GrobbeeJulius Center for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, The Netherlands.
Geertje W DalmeijerJulius Center for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, The Netherlands.
University Medical Center Utrecht · NLWilhelmina Children's Hospital · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

objectiveCoffee and tea are commonly consumed during pregnancy. While several of their components, like caffeine, have strong pharmacological effects, the effect on the unborn fetus remains unclear. Caffeine intake has been associated with abortion, preterm birth and fetal growth restriction, but a general consensus on caffeine restriction is still lacking. We aimed to investigate antenatal coffee, tea and caffeine consumption and the effect on birth weight and length, gestational age at birth and hypertensive disorders in pregnancy.

methodsA total of 936 healthy pregnancies from the WHISTLER birth cohort with data on coffee and tea consumption were included. Maternal and child characteristics as well as antenatal coffee and tea consumption were obtained through postpartum questionnaires. Reported consumption was validated using available preconceptional data. Caffeine intake was calculated from coffee and tea consumption. Linear and logistic regression was used to assess the association with birth outcome and hypertensive disorders.

resultsAfter adjustment for smoking and maternal age, a daily consumption of more than 300mg of caffeine compared to less than 100mg of caffeine was significantly associated with an increased gestational age (linear regression coefficient = 2.00 days, 95%CI = 0.12-4.21, P = 0.03). Tea consumption was significantly related to a higher risk of pregnancy induced hypertension (OR = 1.13, 95%CI = 1.04-1.23, P = 0.004). No associations concerning coffee consumption or birth weight and birth length were observed.

conclusionsDaily caffeine consumption of more than 300mg is possibly associated with an increase in gestational age at birth. A possible relation between high tea consumption and increased risk for pregnancy induced hypertension warrants further research. For most outcomes, we found no significant associations with coffee or tea intake.

Indexed as

CoffeeDrinkingTeaAdultFemaleHumansHypertension, Pregnancy-InducedInfant, NewbornMiddle AgedOdds RatioPopulation SurveillancePregnancyPregnancy OutcomeYoung AdultCoffeeTea

Identifiers

PMID28520809
PMCPMC5433714
OpenAlexW2616716618

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.