Background: Periodontal diseases and systemic diseases are having association and various studies have been done to assess the scientific evidence. There are a lot of scientific data available to explain the association between periodontal diseases, adverse pregnancy outcomes such as preeclampsia and preterm low birth weight deliveries. It is also linked with stillbirth, miscarriage, intrauterine growth retardation. Pregnancy can influence gingival health and also the changes in the hormone level during pregnancy promote inflammation termed as Pregnant Gingivitis and it occurs without any changes in the plaque level. Aim and Objective: To assess and compare the level of knowledge and attitude towards periodontal oral health among pregnant women. Materials and Methods: Awareness of the relationship between oral health and pregnancy, demographics, oral health knowledge, oral hygiene, and dental visits during pregnancy and their willingness for treatment to be surveyed by self administered questionnaire from 100 pregnant females. The data was collected, summarized and statistically analyzed. Results: Knowledge and awareness regarding periodontal disease, and its effect on the pregnancy and birth outcome is very limited. Knowledge and awareness about use of interdental aids, extra care during pregnancy and about premature labour and low birth babies are correlated with periodontal oral health. Conclusion: Most pregnant women need more information about oral health, and prevention of gingival and periodontal diseases as they are more concern about general health and less aware and concern about dental health.