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Am J Clin Nutr. 2012 Sep;96(3):552-9. doi: 10.3945/ajcn.111.031567. Epub 2012 Aug 1.

Association between intake of artificially sweetened and sugar-sweetened beverages and preterm delivery: a large prospective cohort study.

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Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska University Hospital, Gothenburg, Sweden.



Artificially sweetened (AS) and sugar-sweetened (SS) beverages are commonly consumed during pregnancy. A recent Danish study reported that the daily intake of an AS beverage was associated with an increased risk of preterm delivery.


We examined the intake of AS and SS beverages in pregnant women to replicate the Danish study and observe whether AS intake is indeed associated with preterm delivery.


This was a prospective study of 60,761 pregnant women in the Norwegian Mother and Child Cohort Study. Intakes of carbonated and noncarbonated AS and SS beverages and use of artificial sweeteners in hot drinks were assessed by a self-reported food-frequency questionnaire in midpregnancy. Preterm delivery was the primary outcome, and data were obtained from the Norwegian Medical Birth Registry.


Intakes of both AS and SS beverages increased with increasing BMI and energy intake and were higher in women with less education, in daily smokers, and in single women. A high intake of AS beverages was associated with preterm delivery; the adjusted OR for those drinking >1 serving/d was 1.11 (95% CI: 1.00, 1.24). Drinking >1 serving of SS beverages per day was also associated with an increased risk of preterm delivery (adjusted OR: 1.25; 95% CI: 1.08, 1.45). The trend tests were positive for both beverage types.


This study suggests that a high intake of both AS and SS beverages is associated with an increased risk of preterm delivery.

[Indexed for MEDLINE]
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