The aim of this study is to find out the extent of the effects of exposure of pregnant women and their fetus to the risk of radiation, and to know people’s opinions and impressions on the exposure of pregnant women to radiation and the risk of having dental caries. An electronic questionnaire was created through the Google Drive application, where this questionnaire was distributed to social networking groups WhatsApp, where 650 answers were obtained from those (residents of the city of Mecca), out of a total of 600 questionnaires.