Frequent fetal movement is related to the month of pregnancy and intrauterine oxygen deficiency. In 20 weeks of pregnancy left pregnant women will have different degrees of fetal movement feeling, with the gradual increase in the month of pregnancy, in late pregnancy pregnant women will feel frequent fetal movement every day, may be the fetus in the uterus hypoxia. 1. month of pregnancy: after 5 months of pregnancy rapid fetal growth and development, the fetus in the uterine cavity has enough space to move, there may be frequent fetal movement, the amplitude of fetal movement increases, is a normal physiological development process, do not need to deal with. 2. Intrauterine hypoxia: In late pregnancy, if the fetus moves frequently, more than 5~10 times an hour, and there is no regularity of fetal movement, consider the existence of fetal hypoxia, it is recommended to go to the hospital for fetal heart rate monitoring. If a pregnant woman is agitated or tense and the fetal movements are temporarily too frequent, and recover after rest, this is a normal reaction and does not require special treatment. Frequent fetal movement if the symptoms can not be relieved continued to worsen recommended timely medical care, under the guidance of the doctor to clarify the specific causes, and give targeted treatment.