Periodontal disease in pregnancy is receiving increasingly widespread attention and is rapidly evolving at a multidisciplinary level.Pregnancy increases the risk of periodontitis due to the increase in progesterone and estrogen. Moreover, periodontitis during pregnancy is associated with development of pregnancy and birth related complications. For most women, the composition of the oral microbiome could undergo pathogenic shifts during pregnancy due to hormonal and immunological changes. Thus, pregnancy has been proposed to increase susceptibility to gingival inflammation further. Periodontal disease treatment in pregnant women to reduce the risk of preterm birth and low birth weight.