Background: Pregnancy can be affected by various psychological factors. These factors have adverse effects on the woman, her fetus. While COVID-19 is a new threatening subjects with less information yet. Therefore, This study conducted to determine the relationship between stress, anxiety and depression with birth indices in pregnant women admitted to the coronary care unit of hospitals in Kerman province in 2020. Methods: This is a descriptive analytical and across-sectional study carried out in Kerman, Iran in 2020. The research samples were 315 mothers affected with Covid-19 who have hospitalized in Covid-19 critical care wards in hospitals. The subjects entered in study by convenience method. The gathering tool was a questionnaire with two parts included demographic data and DASS-21 questioner. Collected data was analysed by SPSS version 18.0 .The Significance level considered 0.05. Results: The results showed that in terms of depression, 23.5% of subjects were in severe status, in terms of anxiety 47.6% were in very severe status and finally 29.2% were in severe stress. The results showed that the variables of stress, anxiety and depression were statistically inversely related to weight and height at birth (P< 0.05), but other indicators were not significantly related(P>0.05). Conclusions: Regard to the adverse effects of stress, depression and anxiety on neonatal outcomes in patients with Covid-19 critical care wards . It is recommended to be consider to such as mental health screening programs and strategies to reduce depression and anxiety in these mothers, To be considered by the health-treatment officials of the country. Key-words: Coronavirus-Stress-Anxiety-Depression-Pregnancy-Birth Index, DASS-21.