33 weeks ultrasound shows placenta class II, you should pay close attention to the changes of fetal movement. 33 weeks B ultrasound shows placenta class II, should pay close attention to changes in fetal movement, if the fetal movement is normal, the fetus does not have hypoxia, generally do not need special treatment, if there is fetal hypoxia, if necessary, need to terminate the pregnancy early. The placenta is the place where nutrients are exchanged between the mother and the fetus. Placenta class II refers to the maturity class II of the placenta, indicating that the placenta has matured, and most women will not experience placenta class II until after 36 weeks of pregnancy, but the maturity of the placenta is determined by imaging tests, which will have certain errors, and cannot be completely based on the maturity of the placenta to determine the function of the placenta. In late pregnancy, women should follow the doctor’s instructions for regular checkups, pay close attention to changes in fetal movement, relax, and take in a reasonable amount of nutrients.