The Value of Tranxemic Acid to Reduce Intraoperative Blood Loss During Elective Cesarean Sections in High Risk Women

A full medical history will be obtained from all participants. Obstetric ultrasonography and laboratory tests will be performed.According to group assignment, either 1 g(10 mL) tranexamic acid stored in a dry container at 15 °C-30 °C) diluted in 20 mL of 5% glucose or 30 mL of 5% glucose will be slowly administered intravenously 15 minutes before skin incision over a 5-minute period. Following delivery, patients in both groups will receive an intravenous bolus of 5 IU oxytocin , 1 mL(0.2 mg) intramuscular ergometrine , and 20 IU oxytocin in 500 mL lactated Ringer's solution(infused at a rate of 125 mL/h)