What are the symptoms of fetal arrest in the third trimester?

Late pregnancy fetal arrest, usually uterine contractions disappear, can not feel fetal movement, uterine size and gestational age do not match, abdominal pain, vaginal bleeding and other symptoms, at the same time, in the B-ultrasound examination, can not detect fetal heart. Suggestions: late pregnancy when the above abnormal symptoms occur, should seek medical attention in time.