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: Do 8 týždňov vykazuje 75% embryí prevahu pravej ruky. Zvyšok je rovnomerne rozdelený medzi prevahu ľavej ruky a neuprednostňovanie ani jednej z rúk. Je to najskorší dôkaz o uprednostňovaní pravej alebo ľavej ruky.

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
Help give babies a healthy start and a healthy future. Donate now.
When does health begin? Find out now.