17 weeks pregnant stethoscope to hear the fetal heart, placed between the navel and the pubic symphysis. At 17 weeks of pregnancy, which is more than four months for the fetus, the fetal heart can be heard at this time with a stethoscope, which can be used with a bell-type stethoscope. A fetal heart rate of between 110 and 160 beats per minute is normal and should be monitored. At 17 weeks of gestation, the height of the uterus is approximately between the umbilicus and the pubic symphysis, so the stethoscope can be placed midway between the navel and the pubic symphysis when listening to the fetal heart. Clinical use of the stethoscope to listen to the fetal heart need to be operated by a doctor, listening to the diagnosis may be error, self-monitoring of the fetal heart can be used to monitor the fetal heart monitor. In addition, you should pay attention to regular visits to the hospital to monitor the condition of the fetus, to check whether the fetus is normal in all aspects. Pay more attention to rest during pregnancy and avoid strenuous exercise.