Adult Antifibrinolytic Agents--therapeutic use Blood Loss, Surgical--prevention & control Cesarean Section--adverse effects China--epidemiology Comorbidity Computer Simulation Endometrial Neoplasms--mortality Ethics, Medical Ethics, Research Female Humans Laparoscopy--education Manuscripts, Medical as Topic Periodicals as Topic Pregnancy Prognosis Scientific Misconduct--ethics Tranexamic Acid--therapeutic use