Pain in the lower left back in females can be caused by various factors, including muscle injuries, kidney problems, arthritis, gynecological disorders, and conditions such as endometriosis and fibroids. Muscle strain, sciatica, herniated disc, osteoarthritis, dysfunction of sacroiliac joints, kidney stones, and infections are also common causes of lower back pain on the left side. Additionally, conditions like pancreatitis and pregnancy-related issues can contribute to left lower back pain. It is important for individuals experiencing persistent or severe back pain to seek evaluation by a healthcare provider to determine the underlying cause and appropriate treatment