Movie Theater

Blink-Startle Response

Select Subtitle Language

From The Biology of Prenatal Development.

Script: By 24 weeks the eyelids reopen and the fetus exhibits a blink-startle response. This reaction to sudden, loud noises typically develops earlier in the female fetus.

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

See Snapshots | Log in to create a playlist

Age of Viability

4D Ultrasound

Blink-Startle Response

Somersaults

4D Ultrasound

Exposure to Loud Noise

Previous Set Previous Movie

Next Set Next Movie

Tell your story. Create your own pregnancy calendar.

Help give babies a healthy start and a healthy future. Donate now.

Movie Theater

Blink-Startle Response

Movie #

6 months