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

Response to Light


6 months, 2 weeks

From The Biology of Prenatal Development.Buy Now

Script: À 26 semaines les yeux produisent des larmes.

Les pupilles réagissent à la lumière dès les 27 semaines. Cette réaction contrôle la quantité de lumière qui atteint la rétine au cours de la vie.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
See Snapshots   |   Log in to create a playlist
4D Ultrasound
4D Ultrasound
Sense of Smell
Sense of Smell
Response to Light
Response to Light
4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
Free resources and training for educators
Tell your story. Create your own pregnancy calendar.