What are the symptoms or signs of early pregnancy?

Early pregnancy abortion will be accompanied by irregular vaginal bleeding, abdominal pain, lower abdominal distension, loss of appetite, strong defecation feeling, frequent urination and other symptoms; if you want to confirm whether abortion, you can pass B ultrasound, blood HCG examination; if the fetus has no fetal bud, fetal heart, and blood hcg value is less than 2000U/L, can accurately judge.