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个月

到16周，把针插入胎儿腹部，该程序引起荷尔蒙逼迫反应，向血流中释放去甲肾上腺素或降肾上腺素。

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

Buy the Biology of Prenatal Development DVD

Tell your story. Create your own pregnancy calendar.