Background: COVID-19 pandemic has negative effects on the mental health and well-being of pregnant women. However, the number of studies in which the effect of the COVID-19 pandemic on mental health and well-being of pregnant women was investigated from their perspectives was limited. Objective: This study was aimed at determining the effects of the COVID-19 pandemic on the mental health and well-being of pregnant women. Methodology: In this study, the phenomenological method, a qualitative research design, was used. The data were obtained from 33 pregnant women who were hospitalized in the obstetric ward through essays they wrote. Results: Two main themes were determined: (1) feelings of pregnant women during the COVID 19 pandemic, (2) thoughts of pregnant women regarding the COVID 19 pan...