Background: Changes in one’s mental state are possible during pregnancy because it is a phase. Anxiety is one of these mental changes that is common during pregnancy and has a tendency to have a detrimental impact on both the mother and the fetus. This study aims to examine the effectiveness of pregnancy exercise on pregnancy anxiety levels. Design and methods: The method used in this study was quasi-experimental with a purposive sampling technique. The Hamilton Anxiety Rating Scale (HARS) is the instrument that is employed in this study, and it will be given to the sample group of 15 pregnant women without complications to determine their levels of anxiety. This research was conducted at one of the Health Centers in Batam City, Indonesia. The sample is instructed to perform pregnancy exercise for a total of 4weeks, with each week’s instruction consisting of pregnancy exercise being performed twice for a total of 1 h. Result: The findings of the data analysis performed with the t-test, which assessed the differences in sample anxiety levels before and after taking out pregnant exercise, showed a value of p=0.000. This indicates that the value of p is less than 0.05, which is the threshold at which the significance level of the test is considered to be significant. Conclusions: Therefore, childbirth of complementary care in the form of exercise during pregnancy can have the impact of lowering levels of anxiety