Oral health is an integral part of general health; good oral health is critical to an individual's overall health and well-being. The objective of this literature review is to provide an overview of the role of oral health in prevention of oral diseases and improvement of oral status of expectant mothers and their babies from birth throughout different school stages. Electronic search of English scientific papers from 2006 to 2016 was accomplished using the Cochrance library database, PubMed, the EviDents search engine, the EMBASE database, OVID, and the Science Citation Index database. The search terms used were expectant mother, pregnancy, pregnancy outcome, periodontal diseases, evidence-based dentistry, oral health care, oral health education, clinical recommendations. Maintaining good oral health improves the general health and well-being of women during pregnancy, may reduce adverse pregnancy outcomes and contributes to improving the oral health of their children.