Movie Theater
Circadian Rhythms |
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Script: From 19 weeks fetal movement, breathing activity, and heart rate begin to follow daily cycles called circadian rhythms. | ||
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All ages referenced to fertilization, not last menstrual period.
One month = 4 weeks.
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Circadian Rhythms
( 4 months, 3 weeks) |
Responds to Sound
( 5 months) |
Skin and Hair
( 5 months) |
Age of Viability
( 5 months, 1 week) |
Blink-Startle Response
( 6 months) |
Somersaults
( 6 months, 1 week) |
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