The study aimed to explore the prevalence of bruxism in pregnant patients in public dental hospital of Lahore. This survey research was conducted in Public sector dental hospital by collecting data from 75 pregnant patients. Percentages were calculated to explore the prevalence of bruxism among pregnant patients. From data analysis, it was revealed that patients coming to the public dental hospital who had the history of bruxism before pregnancy were 50.7% whereas it rose to 67% who experience bruxism during pregnancy. In conclusion, this showed that pregnancy changes also elevate the bruxism experiences.