Abstract Background: Periodontal diseases are risk factors for adverse pregnancy outcomes like preterm low birth weight infants. Lack of awareness and attitudes regarding oral health leads to neonatal mortality and preterm low birth weight among infants; hence, prenatal health care should include an assessment of oral health during pregnancy. Hence, it is essential to the assessment of knowledge and awareness about the relationship between periodontitis and its association with adverse pregnancy outcomes. Materials and Methods: A cross-sectional study was conducted to assess the knowledge and awareness among the female population using a questionnaire in S. B Patil Institute of Dental Science and Research Bidar in association with Bidar Institute of Medical Sciences Bidar, Karnataka. A total number of 100 patients (50 pregnant women and 50 nonpregnant women) aged between 25 and 35 years were selected. Data were collected using a questionnaire. Results: The responses of the patients regarding the knowledge and awareness about periodontitis have shown that both pregnant and non-pregnant women share similar results. About 55% of women know about the fact that periodontal disease occurs during pregnancy, and only 16% know about preterm low birth infants. A total of 74% of women agreed that counseling was necessary about periodontal disease during pregnancy. Conclusion: The study indicates a lack of awareness of the association, or it might reflect their disagreement with the association despite being aware of the evidence.