Placenta grade 2 at 37 weeks of pregnancy has no relation to the time of delivery, and you can continue to wait for labor as prescribed by your doctor when there are no symptoms of impending labor. The placenta is an important organ for maintaining the growth and development of the fetus, and when the ultrasound examination at 37 weeks of pregnancy indicates that the placenta is mature at grade 2, it means that the placenta has matured. But there is no relationship with the time of delivery, when there is no regular contractions and other symptoms of labor and fetal heart, fetal movement is normal, you can follow the doctor’s advice to continue to wait for delivery, and continue to strictly self-counting of fetal movement, on time for maternity checkups. Generally, the function of the placenta will gradually decline after 40 weeks of gestation, and will obviously decline after 42 weeks of gestation. Therefore, for low-risk pregnant women, termination of pregnancy should be considered after 41 weeks of gestation, and overdue pregnancy should be avoided as much as possible. Termination of pregnancy can be fully evaluated by the doctor according to the size of the fetus, cervical ripeness, etc., and an appropriate treatment plan can be formulated to terminate the pregnancy.