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Growth and Development
Created by
Kiara Smith
⟶ Updated 8 Dec 2017 ⟶
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Events
My birthday
Zygote is formed.
End of 1st trimester, beginning of 2nd
End of 2nd trimester, beginning of 3rd
Week 1-3: Egg is being fertilized
week 4-6: Fertilized egg is in the womb
week 7-9: The Brain starts to develop
week 10-12: Eyes from fetus start to react to light
week 13-16: Heart Beat
week 17-20: The eyebrows and eyelashes start to grow
week 21-24: The baby is viable around the 24th week
week 25-28: The brain, digestive system, and lungs are developed but not yet mature
week 29-32: The baby's head starts to move down
week 33-36: The nervous system is fully developed
week 37-40: The nervous system is fully developed
week 37-40: Ready for birth