Twenty-seven weeks of pregnancy is not obvious fetal movement may be related to maternal obesity, intrauterine fetal hypoxia and other factors, it is recommended that pregnant women should do a good job of fetal heart monitoring, ultrasound, if necessary, to give oxygen therapy. 1. maternal obesity: twenty-seven weeks of pregnancy, fetal movement is not obvious may be more obese pregnant women, abdominal fat is more caused by pregnant women need to carefully count the number of daily fetal movement, if the 12 hours is greater than 30 times, suggesting that the fetus is relatively safe, you can also buy fetal heart monitor to help accurately monitor the fetal heart. 2. Fetal intrauterine anoxia: twenty-seven weeks pregnant fetal movement is not obvious may be the existence of fetal placental hypoplasia, umbilical cord blood flow obstruction and other diseases, resulting in intrauterine anoxia caused by fetal movement is not obvious, pregnant women need to carry out ultrasound examination in a timely manner, to do a good job of monitoring the fetal heart, if you determine the intrauterine anoxia in a timely manner to inhalation of oxygen. Twenty-seven weeks of pregnancy when the fetal movement is not obvious, it is recommended that pregnant women should go to the regular hospital to determine the cause of the timely treatment.