Skip Navigation

Playlist: Prenatal Movement

The Rapidly Growing Brain


#028, Movie 1 of 36

6 weeks, 6 days

See Snapshots


By 6 weeks the cerebral hemispheres are growing disproportionately faster than other sections of the brain.

The embryo begins to make spontaneous and reflexive movements. Such movement is necessary to promote normal neuromuscular development.
Buy NowFrom The Biology of Prenatal Development.     All ages referenced to fertilization, not last menstrual period.