Placenta II at 32 weeks is usually not dangerous and is a normal physiological phenomenon. Placenta II is the second level of placental maturity, can indirectly reflect the maturity of the fetus, usually divided into four grades, and mainly through the ultrasound examination, there is a certain degree of subjectivity, so its maturity is not strictly in line with the gestational weeks. At 32 weeks of gestation, the placenta is a bit premature but not aged, so if all other indicators of the fetus are normal, there is no need to worry too much. Ultrasound observation of fetal growth and development indicators are mainly biparietal diameter, head circumference, abdominal circumference, femur length, fetal heart, amniotic fluid and other indicators, based on placental maturity can not be decided, but pay attention to regular obstetric examination, any abnormality in a timely manner to consult a doctor.