Document Type: Original Article


1 Assistant Professor, Department of Periodontics, Dental Unit , Islamic Azad University, Tehran

2 Dentist


Statement of Problem: The previous studies in various populations demonstrated different results for the relationship between periodontal disease and adverse pregnancy outcomes.Purpose: The aim of this preliminary study was to evaluate the periodontal condition and pregnancy outcome of pregnant women in two hospitals in Tehran.Materials and Method: 150 pregnant, 18-35 years old women in their 21-24 weeks of gestation participated in this study. Informed consent obtained and general information including age, weight, smoking, educational level, systemic disease, medications and number of previous pregnancies were collected. Periodontal examinations, including plaque index, bleeding on probing, pocket depth and attachment level were recorded. Finally the pregnancy outcome including gestational age and birth weight at delivery time collected and recorded. The rate of premature delivery and low birth weight infants in this study was determined and was considered 95% in the whole population. Chi-Square test was used to determine the correlation between periodontal parameters and premature delivers and low birth weight infants.Results: The incidence of preterm low birth weight was 12.1%, but no significant relationship between the presences or severity of periodontal disease and pregnancy outcome were noticed in this population.Conclusion: Well-designed case-control studies are needed to evaluate the relationship between the periodontal disease and the pregnancy outcome in Iranian population.Key words: Periodontitis, Pregnancy, Preterm birth, Low birth weight