The purpose of descriptive research was to study the depression among teenager pregnant women receiving antenatal care at a community hospital in Chachoengsao province. The sample was 80 teenager pregnant women receiving antenatal care at a community hospital in Chachoengsao province. The data were collected between January to May of 2023. The instruments used for data collection were a questionnaire regarding personal data and a depression assessment form (9Q). The statistics used for data analysis were frequency and percentage.