Long term effects of perineal tears pose a major worldwide
health issue for women during delivery. Since bacterial vaginosis is related to
major obstacles in obstetrics the aim of this study was to determine the
relationship between bacterial vaginosis and the occurrence of perineal tears
during vaginal delivery.
Between June 2013 and December 2013 pregnant women
delivering after 37 weeks were recruited at one University hospital / tertiary
care referral center in the course of this single-center, prospective cohort
study. Bacterial vaginosis was assessed according to Nugent score method.
Logistic-regression model was used to estimate odds ratios, adjusted for other
risk factors to test the relationship between bacterial vaginosis and the
occurrence of 1st to 4th degree perineal tears in women undergoing vaginal
delivery.
A total of 728 woman were included, 662 analyzed with a
complete Nugent Score of the vaginal swab. The prevalence of 1st to 4th degree
perineal tears was 35.8% (95% Confidence Interval (95%CI) = [32.2; 39.6]). The
presence of BV was not significantly associated to the incidence of perineal
tears neither in the univariate analysis (crude Odds Ratio = 1.43; 95%CI = [0.79;
2.60]; p = 0.235) nor in the multivariate analysis (adjusted Odds Ratio = 1.65;
95%CI = [0.81; 3.36]; p = 0.167). Instrumental delivery was the most important
risk factor for perineal lacerations.
There is no evidence that vaginosis is a risk factor for
vaginal tears.
Full article at: http://goo.gl/UBFvM2
By:
- 1Department of Obstetrics and Gynaecology, Nîmes University Hospital, Nîmes, France.
- 2Department of Biostatistics, Epidemiology, Public Health and Bio-informatics, Nîmes University Hospital, Nîmes, France.
- 3EA2415 University of Montpellier 1, Montpellier, France.
- 4Department of Microbiology, Nîmes University Hospital, Nîmes, France.
- 5National Institute of Health and Medical Research, U1047, University of Montpellier, Nîmes, France.
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