Background: The world is faced with the reality of preparing to live side by side with COVID-19. During pregnancy, there are physiological and mechanical changes in the body that can have an impact on the ability of the immune system to decrease. Laboratory tests such as hematology examinations play an important role in screening patients who have the potential to lead to COVID-19. The purpose of the study was to describe the results of blood tests in pregnant women in the third trimester who were confirmed positive for Covid-19. Methods: type of descriptive research with a retrospective study, using secondary data in the form of medical record status. The sampling technique used total sampling with the results of 102 3rd-trimester pregnant women with positive Covid-19 RT-PCR test results. The inclusion criteria were data on pregnant women in the third trimester who were confirmed positive for Covid-19 which were recorded in the medical record at the SMF Obstetrics and Gynecology inpatient unit, RSUD Dr. Soetomo. Results: 56.9% low basophil value; 71.6% low eosinophils; 54.9% normal hemoglobin; 94.1% low lymphocyte; 68.6% of normal monofil; 94.1% high neutrophil; 90.2% normal platelets; white blood cell count (WBC) 77.5% high. Conclusion The haematological representation shows a decrease in basophil, eosinophil, lymphocytes or also known as lymphopenia. More than half of the normal monocyte, platelet, and hemoglobin values, an increase in neutrophil or also called neutrophilia and an increase in the leukocyte count or WBC value indicate leukocytosis.