Skip Navigation
The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
Donate Now Get Free Videos

Movie Theater

Right- and Left-Handedness


8 weeks

From The Biology of Prenatal Development.Buy Now

Script: Pada 8 minggu, 75% embrio menunjukkan dominan tangan kanan. Yang selebihnya terbahagi sama rata antara dominan kidal dan tiada keutamaan. Ini bukti terawal kelakuan tangan kanan/kidal.

All ages referenced to fertilization, not last menstrual period.
See Snapshots   |   Log in to create a playlist
Ovaries Identifiable
Ovaries Identifiable
The Highly Complex Brain
The Highly Complex Brain
Right- and Left-Handedness
Right- and Left-Handedness
Rolling Over
Rolling Over
Spontaneous Movement
Spontaneous Movement
Reflexive Movement
Reflexive Movement
Free resources and training for educators
Buy the Biology of Prenatal Development DVD