How many times an hour does the 18-week fetus move?

Pregnant 18 weeks of women, generally 3-4 times per hour fetal movement, 24 hours fetal movement in about 30 times, if less than 10 times is abnormal performance. Women need to go to the hospital regularly to do B ultrasound examination, determine fetal development. If pregnant women fetal movement suddenly reduced or faster, pregnant women should seek medical attention in time.