The main reasons for delayed menstruation and abdominal distension are: 1, weak spleen qi, patients with long-term dietary disorders, overwork, long-term over-anxiety and lead to damage to the spleen qi, so that menstruation delayed not come, the pain in the lower abdomen, often accompanied by fatigue, weakness, body thinning, loss of appetite symptoms, you can consider taking the Sijunzi Tang Plus Reduction to regulate. 2, stagnation of liver qi, long-term adverse emotional reactions can easily lead to liver qi uncomfortable, Liver qi stagnation, due to liver qi stagnation, poor blood flow, there is a delay in the onset of menstruation, accompanied by pain in the lower abdomen, but also accompanied by irritability, breast distension and pain in the performance, you can consider taking the Peach Hone Four Substances Soup plus or minus to regulate, you can also take the flavor of the pill to regulate the. 3, blood deficiency due to long-term chronic diseases, long-term over-dieting, chronic blood loss and other symptoms of blood deficiency, can also cause the delay in the onset of menstruation. Delayed menstruation can also cause menstruation to be delayed. If you have a feeling of pain in the abdomen, dizziness, blurred vision, palpitations and insomnia, you can consider taking Peach Red Four Substances Soup to regulate your menstruation, or Bazhen Yimu Pill.