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Risk of preterm birth that is associated with vaginal douching
Kevin Fiscella1, Peter Franks, Juliette S Kendrick
1Department of Family Medicine, University of Rochester School of Medicine and Dentistry, NY, USA.
Objective:
The purpose of this study was to examine the association between vaginal douching and preterm birth.
Study Design:
We enrolled hospitalized women after delivery in a case-control study. Women who were delivered of a live preterm singleton infant were assigned as cases. Women who were delivered at term were randomly selected as control subjects. We surveyed women about their douching habits and risk factors for preterm birth and abstracted data from the records.
Results:
After adjustment, vaginal douching within 6 months of pregnancy was not significantly associated with preterm birth (odds ratio, 1.1; 95% CI, 0.8-1.6). However, in secondary analyses, douching more than once per week (odds ratio, 4.0; 95% CI, 1.0-15.5) or longer than 10 years (odds ratio, 1.9; 95% CI, 1.1-3.2) was associated with preterm birth.
Conclusion:
Vaginal douching does not appear to be a strong risk factor for preterm birth. Further study is needed to confirm the risk that is associated with frequent or long-term douching.