Operations during pregnancy and the anesthesia applied during these operations are very important in terms of morbidity and mortality since they have effects on both the mother and the fetus. Application of regional block is highly preferable when considering the risk of hypoxemia and aspiration and the side effects they create both on the mother and the fetus. However, peripheral blocks are not as common as central blocks. A Twenty week pregnant, 28 year old, woman, 83 kg in weight, with a history of cesarean section under general anesthesia was planned to have an operation due to the right distal humerus fracture of the gestational weight. The decision was made to block the Midhumeral axles. A total of 40 cc 0.25% bupivakain solution was injected in equal dose around each nerve in order to prevent median, radial, unlar and tourniquet pain respectively with 2mA current. There was no complications and no additional analgesic medication was needed. Considering the physiological changes of the pregnant woman, we believe that the peripheral nerve block performed by an experienced anesthesiologist may be more advantageous both for the safety of the pregnancy and for the fetus than applying general anesthesia