Is it normal for fetal movement to decrease and become weaker at 30 weeks of pregnancy?

Fetal movement at 30 weeks of pregnancy has been regular, at this time if there is a sudden decrease or weakening of fetal movement is not normal.
After 28 weeks of pregnancy, pregnant women can count the fetal movement to observe whether the fetus has hypoxia, generally in the morning, midday and evening of each day to choose an hour, try to choose the fetus is more active time period, the requirement of fetal movement per hour at least more than three times.
When there is an abnormal increase or decrease in fetal movement, it is necessary to consider the possibility of intrauterine distress of the fetus, if necessary, fetal heart rate monitoring to ensure the safety of the fetus.
When the pregnant woman counts the movement of the fetus when the fetus sleeps, there may also be a temporary decrease in fetal movement, in this case, it is recommended that the pregnant woman continuously observe the changes in fetal movement for two hours, and when the fetal movement is still abnormal, it is recommended to consult a doctor in a timely manner.