Fetal monitoring is clinically known as fetal heart monitoring. Normally, the duration of a single fetal heart monitoring examination is usually 20 minutes, which can be extended for another 20 minutes if the fetal heart monitoring result is unsatisfactory. The duration of fetal heart monitoring during labor and induction of labor with oxytocin is extended accordingly. Fetal heart monitoring is a common test during pregnancy and delivery. Fetal heart monitoring during pregnancy is one of the means of observation in case of fetal movement and abnormal fetal heartbeat. Notes on fetal heart monitoring: 1. During normal prenatal checkups, people without high-risk factors should have fetal heart monitoring once a week starting from 36 weeks of pregnancy; 2. People with high-risk factors can advance to about 32 weeks of pregnancy; 3. Fetal heart monitoring should also be performed in late pregnancy when there is premature rupture of fetal membranes, abnormal vaginal bleeding, preterm labor, abnormal fetal movement, etc.; 4. Fetal heart monitoring during delivery can not only understand whether the fetus It can also be used to observe the contractions and the effect of contractions on fetal heartbeat, which can provide a guarantee and basis for the safety of delivery and the change of delivery method (such as changing from normal delivery to cesarean delivery).