Fetal movement at 27 weeks may be normal, or it may be a manifestation of intrauterine hypoxia of the fetus, the specifics of which can only be determined through examination. Generally in the 32 to 34 weeks of pregnancy is the peak of fetal movement, this stage of fetal movement is more frequent and regular, after 36 weeks of pregnancy, the scope of fetal activity in the uterus becomes smaller, the number of fetal movement will also be reduced, 37 weeks fetal movement becomes less may be normal, or it may be that the fetus is sleeping. 37 weeks fetal movement less, observe fetal movement less before a period of time fetal movement is more frequent, irregular, and then 12 hours fetal movement less than 10 times or less to be vigilant is caused by intrauterine oxygen deprivation of the fetus, such as the umbilical cord kinking, umbilical cord torsion, placenta function abnormality and other reasons. 37 weeks of fetal movement becomes small whether normal, it is recommended to go to the hospital through ultrasound examination, fetal heart monitoring to understand, there are abnormalities can be dealt with in a timely manner.