There are more reasons for abdominal pain after ultrasound, as follows: 1, negative ultrasound: some women have pelvic inflammation, ultrasound probe touches the cervix, which in turn stimulates abdominal pain, but the pain is mild. For pregnant women, there is no need to worry about the abdominal pain caused by vaginal ultrasound miscarriage, the uterus has the role of protecting the fetal sac. But need to consider the stimulation caused by abdominal pain, uterine contraction caused by miscarriage, so early pregnant women can carry out cunnilingus ultrasound according to the obstetrician’s judgment; 2, hold urine ultrasound: for patients with urinary tract infections, hold urine for a long time will be abdominal pain; 3, other: if ultrasound end of the abdominal pain, it may be the checking process is more difficult, the doctor repeatedly probed for a longer period of time, but the rest will be relieved, basically not a problem. Basically, there is no harm.