The fetal movement at the cervical opening is mostly a normal feeling caused by the fetal activity, as long as there is no abdominal pain, bleeding and other conditions, there is generally no need to worry too much. If the fetal movement in the cervical mouth feel jittering, accompanied by other discomfort, may be fetal malposition, pre-eclampsia or preterm delivery, pregnant women need to promptly consult a doctor, according to the cause of treatment. 1, pre-eclampsia miscarriage: pre-eclampsia miscarriage mainly refers to 28 weeks before, pregnant women appear signs of miscarriage but has not yet constituted a miscarriage, in addition to fetal movement in the cervical mouth a jittering, there are generally vaginal bleeding, abdominal pain and other symptoms. Pregnant women should be fully rested in bed, sexual life is strictly prohibited, if you need to use drugs to protect the fetus treatment should be carried out under the guidance of a doctor; 2, fetal malposition: fetal movement is mostly the activity of the fetal limbs, if the fetal position is head first, fetal movement is mostly on both sides of the abdomen. If there is a shaking fetal movement at the mouth of the cervix, it may be a fetal malposition, or it may be breech-first or foot-first. At this time, pregnant women should promptly go to the hospital for examination, through obstetric ultrasound examination, to clarify the specific position of the fetus and then correct; 3, preterm labor: Pregnant women in preterm labor may also have special fetal movements, whether it is preterm labor or preterm labor, we should promptly seek medical attention. If the situation allows try to keep the fetus treatment, if preterm labor can not be avoided then need to immediately prepare for delivery.