Preterm birth and licorice consumption during pregnancy


Strandberg, TE; Andersson, S; Jarvenpaa, AL; McKeigue, PM; (2002) Preterm birth and licorice consumption during pregnancy. American journal of epidemiology, 156 (9). pp. 803-5. ISSN 0002-9262 DOI: https://doi.org/10.1093/aje/kwf130

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Abstract

Heavy licorice (glycyrrhizin) consumption has been associated with shorter gestation. The aim of the present study was to test whether this association also applies to preterm (<37 weeks) births. In 2000-2001, a sample of 95 Finnish women who delivered preterm singletons was compared with controls (n = 107) who delivered babies of normal gestational age in the same hospital. Glycyrrhizin intake was calculated from questionnaires containing detailed items on licorice consumption. Glycyrrhizin exposure was grouped into three levels: low (<250 mg/week), moderate (250-499 mg/week), and heavy (> or =500 mg/week). Heavy consumption versus a lower level of consumption was associated with a more than twofold increased risk of preterm (<37 weeks) delivery. The association was stronger when only the 40 births classified as early preterm delivery (<34 weeks) were included (odds ratio = 3.07, 95% confidence interval: 1.17, 8.05 for the fully adjusted model). In conclusion, heavy glycyrrhizin exposure was associated with preterm delivery and may be a novel marker of this condition.

Item Type: Article
Keywords: gestational age, glycyrrhizic acid, pregnancy, Adult, Case-Control Studies, Female, Finland, epidemiology, Gestational Age, Glycyrrhiza, adverse effects, Human, Infant, Newborn, Infant, Premature, Pregnancy, Pregnancy Outcome, Risk Factors, Statistics, Nonparametric
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Non-Communicable Disease Epidemiology
PubMed ID: 12396997
Web of Science ID: 179035100003
URI: http://researchonline.lshtm.ac.uk/id/eprint/16789

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