Table 2 Summary of the number of movements recorded for the right and left hand at each gestational week for the right-handed and the left-handed fetuses.

From: The origin of human handedness and its role in pre-birth motor control

  GW14 GW18 GW22
Right-handed Left-handed Right-handed Left-handed Right-handed Left-handed
RH 66 11 85 13 94 13
LH 54 8 53 13 64 14
Total 120 19 138 26 158 27