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

Skin and Hair


5 months

From The Biology of Prenatal Development.Buy Now

Script: sa ki gen ladan l ti plim ki kouvri po a ansam ak glann yo.

Sou 21 a 22 semèn apre fegondasyon an, poumon yo kòmanse ka respire.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
See Snapshots   |   Log in to create a playlist
Circadian Rhythms
Circadian Rhythms
Responds to Sound
Responds to Sound
Skin and Hair
Skin and Hair
Age of Viability
Age of Viability
4D Ultrasound
4D Ultrasound
Blink-Startle Response
Blink-Startle Response
Tell your story. Create your own pregnancy calendar.
When does health begin? Find out now.