In recent Literature, several authors reported increased tendency of sepsis complicated by various types of abortion and delivery. In spite of well-developed antibiotics, the main problems are increased incidence of antibiotic resistant bacteria and gram-negative bacilli infection. In addition, there are many illegal abortions and home deliveries, which are very suspeptible to bacterial infection. The author reviewed the clinical symptoms and laboratory findings of 36 septic patients complicated by abortions and deliveries, which were admitted to Dept. of Obst. & Gynec. in Kyungpook National University Hospital during last 3 years. Analysis of sepsis showed as follows; 1. In all admitted cases, the incidence of septic patients was 2.8% 2. The septic patients were 2% of all admitted cases in 1964, whereas the incidence was 4% in 1966. 3. Preceding causes of sepsis were delivery (30.5%) and abortion (69.4%) 4. On the view point of management, 23 cases were helped by doctors, 1 case by midwife and the remaining 12 cases by layman. 5. Frequent symptoms were high fever, tachycardia, chillness, and bloody leucorrhea. 6. Subjective symptoms developed within 10days in all cases and frequently developed within 5 days. 7. In all blood culture 20 cases revealed bacterial growth. In vaginal discharge culture of 16 cases, bacterial growth was noted in 9 cases. 8. Frequent complications were anemia, septic pneumonia and shock. 9. In prognosis of treatment, the mortality was 14 cases (38.8%)