More than 6 months pregnant belly a jump, may be due to the following reasons: 1, pregnant women in mid-pregnancy feel a jump in the lower abdomen, if the frequency of the jump is similar to the frequency of the pulse of pregnant women, may be abdominal aortic pulse caused by jumping is not a fetal movement; 2, pregnant women more than 6 months pregnant belly a jump, may be the fetal movement caused by this time the development of the fetus has been gradually perfected, the fetal movement feeling will also be more intense; 3, pregnant women have a jump feeling, may also be the fetal hiccups caused by a normal physiological phenomenon, the fetal hiccups time is usually not the time of the fetal hiccups. The feeling of fetal movement will also be more intense; 3, pregnant women have a jumping feeling in the stomach, may also be caused by fetal hiccups, fetal hiccups is a normal physiological phenomenon, fetal hiccups are generally irregular, 1-5 times a day is normal; 4, if the pregnant woman has a pseudo uterine contraction, it may also lead to pregnant women to appear in the phenomenon of jumping in the stomach, the general duration of the shorter time and the power of the weaker. The contractions are usually shorter in duration and weaker in strength.