Skip Navigation

The Endowment for Human Development

The Endowment for Human Development

Improving lifelong health one pregnancy at a time.

English

Educator Login / Register

Donate Now Get Free Videos

Add a Comment Sections Home › Movie Theater

Movie Theater

Hormonal Stress Response

Select Subtitle Language

From The Biology of Prenatal Development.

Script: 4個月

到16週，把針插入胎兒腹部，該程序引起荷爾蒙逼迫反應，向血流中釋放去甲腎上腺素或降腎上腺素。

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.

See Snapshots | Log in to create a playlist

Movement

Movement

4D Ultrasound

4D Ultrasound

Hormonal Stress Response

Hormonal Stress Response

Vernix Caseosa

Vernix Caseosa

4D Ultrasound

4D Ultrasound

Bronchial Tree

Bronchial Tree

Previous Set Previous Movie

Next Set Next Movie

Free resources and training for educators

Tell your story. Create your own pregnancy calendar.