This document discusses miscarriage, ectopic pregnancy, and recurrent miscarriage. It defines miscarriage as pregnancy loss before 24 weeks and notes the most common sign is vaginal bleeding. For ectopic pregnancy, it describes the risk factors, symptoms, and treatments which include expectant management, medical treatment with methotrexate, or surgical treatment. Recurrent miscarriage is defined as 3 or more consecutive losses and investigations and treatments are discussed including aspirin, heparin, surgery for anatomical issues, and psychological support.