Related Experiment Video
Updated: May 25, 2026

Disruption of the Mouse Blood-Brain Barrier by Small Extracellular Vesicles from Hypoxic Human Placentas
Published on: January 26, 2024
Periodontitis as a risk factor for preeclampsia.
Genivaldo Moura da Silva1, Sonia B Coutinho, Maria Dilma B V Piscoya
1Department of Maternal and Child Health, Universidade de Pernambuco, Recife, Brazil. mouralibia@oi.com.br
Periodontitis, an inflammatory gum condition, significantly increases the risk of developing preeclampsia. This study confirms periodontitis as an independent risk factor for preeclampsia in the studied population.
Area of Science:
- Oral Health
- Obstetrics
- Public Health
Background:
- Periodontitis involves inflammation and destruction of tooth-supporting tissues and alveolar bone.
- Infection is a known factor in preeclampsia etiology, suggesting a link between periodontitis and preeclampsia.
- Previous research has considered periodontitis a potential risk factor for preeclampsia.
Purpose of the Study:
- To determine if periodontitis is a risk factor for preeclampsia.
- To identify other potential risk factors associated with preeclampsia.
Main Methods:
- A case-control study involving 574 women post-childbirth was conducted.
- Data included biologic, socioeconomic, medical, and dental records, with periodontal examinations for probing depth and gingival recession.
- Multivariate logistic regression analysis was used to assess the association between periodontitis and preeclampsia, adjusting for confounding variables.
Main Results:
- Periodontitis was identified as an independent risk factor for preeclampsia.
- Adjusted odds ratio (OR) for periodontitis as a risk factor was 8.60 (CI: 3.92-18.88, P < 0.001).
- Using the CDC/AAP definition, the adjusted OR was 2.03 (95% CI: 1.43-2.90, P < 0.001).
Conclusions:
- Periodontitis is a significant risk factor for preeclampsia in the population studied.
- The findings highlight the importance of oral health in pregnancy outcomes.
- Further research may explore causal mechanisms and preventive strategies.
Related Concept Videos
Development of the Oral Microbiota
Pathophysiology of Diabetes
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility, suggesting a...
Diabetes Mellitus: Type 2 and Gestational
The Oral Microbiota
Hormonal Regulation
Diabetic Retinopathy
