My lower abdomen is aching. Aunt just won't come. What's going on?

If you are pregnant, you need to wait patiently for a few days. Of course, you should check hematuria HCG except pregnancy, abortion, ectopic pregnancy and other special circumstances. If hematuria HCG negative, you should check B-ultrasound to measure endometrial thickness. If the endometrial thickness is more than one centimeter, often give progesterone drugs to promote menstruation, of course, you can wait patiently. Lower abdomen center dull pain is also myoma degeneration and other causes sometimes, need to make differentiation.