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- Title
Relationship between antenatal vulvovaginitis and birth-related perineal tear.
- Authors
Francisco, Adriana Amorim; de Oliveira Alves, Nayara; Steen, Mary; Andrade, Juliana Regina Linfante; Barbieri, Marcia; Gabrielloni, Maria Cristina
- Abstract
Objective: To determine the relationship between antenatal vulvovaginitis and birth-related perineal tear. Methods: An analytical cross-sectional study with 100 postpartum women, ≥18 years of age, who gave birth vaginally to a single, live, full-term baby in cephalic presentation at a midwife-led birth center. Data were collected from the antenatal and birth record and by structured interview of participants. Distribution of continuous and categorical variables according to perineal tear were compared by using the Student's T-test, Chi-square and Fisher Exact tests. For variables significantly associated with perineal tear, the Odds Ratio with logistic regression models was estimated. Multiple regression models were adjusted to evaluate the independent effect of variables. Statistical significance was considered at a level p<0.05. Results: mean of participants' age 23.1 years, 16% labor induced with misoprostol, 54% synthetic oxytocin infusion in labor, 83% lithotomy birth position, 98% "hands on" maneuver, 75% perineal tear, 54% antenatal vulvovaginitis, mean of newborn birth weight, head and thoracic circumference: 3.102g, 33.3cm and 32.2cm, respectively. Antenatal vulvovaginitis (p=0.005) and newborn birth weight (p=0.006) and head circumference (0,027) were associated with perineal tear. The multiple analysis showed that women who had antenatal vulvovaginitis had a 4.6 (IC 95%:1.712-14.125; p=0.004) chance of sustaining perineal tear compared to those without vulvovaginitis, regardless of newborn birth weight (OR:1.182 IC 95%:1.002-1.415; p=0,056) and head circumference (OR:1.160 IC 95%: 0.721-1892; p=0.544). There was no association between treating antenatal vulvovaginitis and perineal tear (p>0,999) or antenatal vulvovaginitis and perineal tear severity (OR: 1.061 IC 95%: 0.383-3.069; p=0.911). Conclusion: This study demonstrates an associated risk between antenatal vulvovaginitis perineal injury. It is necessary to prevent and treat antenatal vulvovaginitis, and offer proper perineal care to women who have had antenatal vulvovaginitis during childbirth.
- Subjects
CHILDBIRTH &; psychology; VULVOVAGINITIS; MATERNAL health services; PERINEAL care; CONFIDENCE intervals; CROSS-sectional method; MULTIPLE regression analysis; FISHER exact test; RISK assessment; T-test (Statistics); CHI-squared test; DESCRIPTIVE statistics; ODDS ratio; LOGISTIC regression analysis; PERINEUM; DISEASE complications
- Publication
Acta Paulista de Enfermagem, 2021, Vol 34, Issue 4, p1
- ISSN
0103-2100
- Publication type
Article
- DOI
10.37689/actaape/2021AO002205