Embryonic Development

First Timester
1. 0-2 Weeks
  Anmerkungen:
  - Floats freely for 48 hours Spinal cord grows Brain, ears, arms begin to form Heart begins to beat
2. 3-8 Weeks
  Anmerkungen:
  - About 1 inch long Mouth, nostrils, eyelids, hands, fingers, feet, and toes Nervous system, and cardiovascular system are working
3. 9-14 Weeks
  Anmerkungen:
  - Develops human profile Sex organs, fingernails, toenails Can cry Suck thumbs
Second Trimester
1. 15-20 Weeks
  Anmerkungen:
  - Can blink eyes Becomes more active Head grows slower Limbs reach full proportion Eye brows, eyelashes
2. 21-28 Weeks
  Anmerkungen:
  - Fetus can hear conversation Regular sleep cycle 12 inches long Weighs about 1 pound
Third Trimester
1. 29-40 Weeks
  Anmerkungen:
  - The fetus uses all five senses Begins to pass water Brain scans Dreams Baby weighs between 6 and 9 punds

Zusammenfassung der Ressource

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