Miscarriage after pregnancy will mainly show the following symptoms: 1, irregular pain in the lower abdomen, or paroxysmal pain, is often a symptom of inevitable miscarriage. 2, irregular vaginal bleeding, the vast majority of the bleeding is relatively small. If it exceeds the amount of menstruation, it is also a symptom of inevitable miscarriage.3. After pregnancy, the appearance of vaginal coffee-colored discharge, the amount is relatively small, even if there is no pain in the lower abdomen, may be the embryo stops the development of the stale bleeding caused.4. If the pregnancy is miscarried after the pregnancy, there is a possibility that the breasts no longer appear to be swollen and painful and no longer have the reaction of the early pregnancy. In this case, it is recommended to do ultrasound examination, and combined with the blood HCG and progesterone, comprehensive analysis.