The most common signs of a miscarriage include: -vaginal bleeding -mild to severe pain and cramping in your back and abdomen -fluid or mucus discharge from the vagina -a decrease in signs of pregnancy, such as breast tenderness, nausea, and vomiting If you think you’re experiencing signs of a miscarriage, you should see your doctor. Your doctor can advise if there are any treatments to try to reduce the chance of miscarriage, for example the use of progesterone.