Association between excessive maternal weight, periodontitis during the third trimester of pregnancy, and infants' health at birth Excessive weight is associated with periodontitis because of inflammatory mediators secreted by the adipose tissue. Periodontal impairments can occur during pregnancy due to association between high hormonal levels and inadequate oral hygiene. Moreover, periodontitis and excessive weight during pregnancy can negatively affect an infant's weight at birth. Objective: This observational, cross-sectional study aimed to evaluate the association between pre-pregnancy overweight/obesity, periodontitis during the third trimester of pregnancy, and the infants' birth weight. Methodology: The sample set was divided into 2 groups according to the preconception body mass index: obesity/overweight (G1=50) and normal weight (G2=50).Educational level, monthly household income, and systemic impairments during pregnancy were assessed. Pocket probing depth (PPD) and clinical attachment level (CAL) were obtained to analyze periodontitis. The children's birth weight was classified as low (<2.5 kg), insufficient (2.5-2.999 kg), normal (3-3.999 kg), or excessive (≥4 kg). Bivariate analysis (Mann-Whitney U test, t-test, chi-squared test) and logistic regression (stepwise backward likelihood ratio) were performed (p<0.05). Results: G1 showed lower socioeconomic levels and higher prevalence of arterial hypertension and gestational diabetes mellitus during pregnancy than G2 (p=0.002). G1 showed higher means of PPD and CAL (p=0.041 and p=0.039, respectively) and therefore a higher prevalence of periodontitis than G2 (p=0.0003). G1 showed lower infants' birth weight than G2 (p=0.0004). Excessive maternal weight and educational levels were independent variables associated with periodontitis during the third trimester of pregnancy (X²[2]=23.21; p<0.0001). Maternal overweight/obesity was also associated with low/ insufficient birth weight (X²[1]=7.01; p=0.008). Conclusion: The present findings suggest an association between excessive pre-pregnancy weight, maternal periodontitis, and low/insufficient birth weight.
Objective
This observational cross‐sectional study aimed to evaluate systemic and oral conditions in pregnant women with excessive pre‐pregnancy weight (PEW) and normal pre‐pregnancy weight (PNW) who underwent follow‐up in the private healthcare system during the third trimester of pregnancy.
Methods
Fifty pregnant women were evaluated from August 2017 to February 2018 and divided into two groups: women with PEW (n = 25); and those with PNW (n = 25). Their weight and body mass index (BMI), periodontal disease status, stimulated salivary flow, and systemic condition were evaluated. Statistical analyses were conducted using t‐test, Mann–Whitney test, chi‐square test and binary logistic regression (P < 0.05).
Results
The groups did not differ in age, educational level or monthly household income (P > 0.05). The PEW group had a higher frequency of arterial hypertension (P = 0.019) and excessive weight gain during gestation (P = 0.010), sought dental services less frequently, and had increased severity of periodontitis (P < 0.0001). Both groups presented low salivary flow, with no intergroup difference. In the final binary logistic regression models, high maternal pre‐pregnancy BMI was a significant predictor of arterial hypertension and periodontitis during the third trimester of gestation; maternal excessive weight gain was also a significant predictor of periodontitis during pregnancy.
Conclusion
Women with PEW who underwent follow‐up in a private healthcare system had a higher prevalence of arterial hypertension and worse periodontal status during the third trimester of pregnancy as compared to women with normal weight.
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