Evidence map›Paper›PMID 26305473›Full record

ArticlePloS one2015

Prenatal Paracetamol Exposure and Wheezing in Childhood: Causation or Confounding?

Enrica Migliore, Daniela Zugna, Claudia Galassi, Franco Merletti, Luigi Gagliardi, Laura Rasero, Morena Trevisan, Franca Rusconi, Lorenzo Richiardi

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
4.3field-weighted citation impact, top 6% 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

11 citing papers in PubMed, 31 citations in OpenAlex.

  1. Article
  2. Article
  3. A Single Early-Life Acetaminophen Exposure Causes Persistent Abnormalities in the Murine Lung.American journal of respiratory cell and molecular biology · 2025
    Article
  4. Review
  5. Review
  6. Article
  7. Review
  8. Long-term adverse effects of paracetamol - a review.British journal of clinical pharmacology · 2018
    Review
  9. Prenatal exposures and the development of childhood wheezing illnesses.Current opinion in allergy and clinical immunology · 2017
    Review
  10. Managing Migraine During Pregnancy and Lactation.Current neurology and neuroscience reports · 2016
    Review
  11. 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

9 authors at 5 institutions in 1 country.

Enrica MiglioreCancer Epidemiology Unit, Department of Medical Sciences, AOU Città della Salute e della Scienza di Torino, CPO Piemonte, CERMS, and University of Turin, Turin, Italy.
Daniela ZugnaCancer Epidemiology Unit, Department of Medical Sciences, AOU Città della Salute e della Scienza di Torino, CPO Piemonte, CERMS, and University of Turin, Turin, Italy.
Claudia GalassiCancer Epidemiology Unit, Department of Medical Sciences, AOU Città della Salute e della Scienza di Torino, CPO Piemonte, CERMS, and University of Turin, Turin, Italy.
Franco MerlettiCancer Epidemiology Unit, Department of Medical Sciences, AOU Città della Salute e della Scienza di Torino, CPO Piemonte, CERMS, and University of Turin, Turin, Italy.
Luigi GagliardiWoman and Child Health Department, Pediatrics and Neonatology Division, Ospedale Versilia, Viareggio, Italy.
Laura RaseroDepartment of Experimental and Clinical Medicine, University of Florence, Florence, Italy.
Morena TrevisanCancer Epidemiology Unit, Department of Medical Sciences, AOU Città della Salute e della Scienza di Torino, CPO Piemonte, CERMS, and University of Turin, Turin, Italy.
Franca RusconiUnit of Epidemiology, 'Anna Meyer' Children's University Hospital, Florence, Italy.
Lorenzo RichiardiCancer Epidemiology Unit, Department of Medical Sciences, AOU Città della Salute e della Scienza di Torino, CPO Piemonte, CERMS, and University of Turin, Turin, Italy.
Piedmont Reference Center for Epidemiology and Cancer Prevention · ITUniversity of Turin · ITMeyer Children's Hospital · ITOspedale Versilia · ITUniversity of Florence · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSeveral studies have reported an increased risk of wheezing in the children of mothers who used paracetamol during pregnancy. We evaluated to what extent this association is explained by confounding.

methodsWe investigated the association between maternal paracetamol use in the first and third trimester of pregnancy and ever wheezing or recurrent wheezing/asthma in infants in the NINFEA cohort study. Risks ratios (RR) and 95% confidence intervals (CI) were estimated after adjustment for confounders, including maternal infections and antibiotic use during pregnancy.

resultsThe prevalence of maternal paracetamol use was 30.6% during the first and 36.7% during the third trimester of pregnancy. The prevalence of ever wheezing and recurrent wheezing/asthma was 16.9% and 5.6%, respectively. After full adjustment, the RR for ever wheezing decreased from 1.25 [1.07-1.47] to 1.10 [0.94-1.30] in the first, and from 1.26 [1.08-1.47] to 1.10 [0.93-1.29] in the third trimester. A similar pattern was observed for recurrent wheezing/asthma. Duration of maternal paracetamol use was not associated with either outcome. Further analyses on paracetamol use for three non-infectious disorders (sciatica, migraine, and headache) revealed no increased risk of wheezing in children.

conclusionThe association between maternal paracetamol use during pregnancy and infant wheezing is mainly, if not completely explained by confounding.

Indexed as

AdultChild, PreschoolCohort StudiesConfidence IntervalsConfounding Factors, EpidemiologicDemographyFemaleHumansOdds RatioPregnancyPregnancy Trimester, FirstPregnancy Trimester, ThirdPrenatal Exposure Delayed EffectsRecurrenceRespiratory Sounds

Identifiers

PMID26305473
PMCPMC4549146
OpenAlexW1917727374

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

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.