Are you expecting a girl velvetee, they tend to be more active in utero? From a website...
Although your baby's first muscle movements were involuntary, the first voluntary muscle movements occur around week 16. After this point, awake or asleep, your baby moves 50 times or more each hour, flexing and extending her body, moving her head, face, and limbs, and exploring her warm, wet compartment by touch. A baby may touch her face, touch one hand to the other hand, clasp her feet, touch her foot to her leg, or her hand to the umbilical cord. By week 37, your baby has developed enough coordination so that he or she can grasp with the fingers.
Along with these common movements, babies perform some odder activities, including licking the uterine wall and "walking" around the womb by pushing off with its feet.
Possibly in the next few weeks as the available space becomes less and less the movement may slow down a bit, but you might as well relax and enjoy that unique feeling eh!