The 17th week of pregnancy belongs to the middle of pregnancy, at this time suspected of fetal arrest it is best to go to the hospital obstetrics and gynecology department to test the fetal heart, at home test is likely to be misdiagnosed. The 17th week of pregnancy is the middle stage of pregnancy, at this time the fetus is beginning to take shape, and with the continuous growth of the fetus heart position will also change, so there may be a suspicion of fetal arrest, if you test the fetal heart at home, you may not be able to find the monitoring position, which may lead to misdiagnosis, resulting in pregnant women’s emotional fluctuations, and also have a negative impact on the fetus. Fetal heart is an important indicator for doctors to determine whether the embryo has survived in the uterus or not, and it is usually monitored during pregnancy tests after 32 weeks of pregnancy. Suspected fetal arrest at 17 weeks of pregnancy may be a weakening of fetal movement, at this time it is even more important to go to the hospital in time to do a checkup, and if there is any abnormality immediately treated. It is recommended to go to the hospital in time to do professional examination, do not recommend home self-testing, maintain a comfortable mood during pregnancy, eat some nutritious food, and go to the hospital on a regular basis to check the development of the fetus.