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      Tea consumption during pregnancy and the risk of pre-eclampsia.

      International Journal of Gynaecology and Obstetrics
      Adult, Carbonated Beverages, adverse effects, Case-Control Studies, Coffee, Drinking Behavior, Female, Humans, Pre-Eclampsia, etiology, Pregnancy, Risk Factors, Tea, Young Adult

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          Abstract

          To examine the effects of tea consumption during pregnancy on the risk of pre-eclampsia. A case-control study was carried out among nulliparous pregnant women in Quebec between January 2003 and March 2006. Data were collected using a structured study questionnaire. A total of 92 women with pre-eclampsia and 245 controls were analyzed. Univariate analysis and multivariate regression were performed to examine the association between tea consumption and pre-eclampsia. Compared with non-tea drinking during pregnancy, the crude odds ratio (OR) and adjusted OR (aOR) of pre-eclampsia for tea drinking were 1.34 (95% CI, 0.80-2.25) and 1.39 (95% CI, 0.81-2.41), respectively. The OR and aOR of severe pre-eclampsia for tea drinking were 1.39 (95% CI, 0.78-2.46) and 2.14 (95% CI, 1.01-4.54), respectively. The aORs for persistent tea consumption in pre-eclampsia and severe pre-eclampsia were 1.88 (95% CI, 1.01-3.51) and 1.95 (95% CI, 1.06-3.57), respectively. Persistent tea drinking during pregnancy may be associated with an increased risk of pre-eclampsia.

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          Author and article information

          Journal
          19195655
          10.1016/j.ijgo.2008.12.003

          Chemistry
          Adult,Carbonated Beverages,adverse effects,Case-Control Studies,Coffee,Drinking Behavior,Female,Humans,Pre-Eclampsia,etiology,Pregnancy,Risk Factors,Tea,Young Adult

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