Symptoms of early miscarriage Early miscarriage refers to the natural cessation of fetal development before 20 weeks of pregnancy or the death of the fetus weighing less than 500 grams. The symptoms of early miscarriage vary from person to person, but common symptoms include lower abdominal pain, vaginal bleeding, back pain, nausea, etc. These symptoms may gradually worsen. If you find these symptoms, you should go to the hospital in time. How to prevent miscarriage from happening Miscarriage is a problem that many pregnant women worry about. Although there are some reasons why it is impossible