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The Unborn:

A Timeline

Our lives all began, of course, long before our births. Not open to dispute is the scientific fact that the life of every human being begins at the moment of fertilization. Learn more about the amazing development of children in the womb and important milestones in their growth.

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*Times are Estimates

Conception

​​

  • Embryo attaches to wall of uterus

  • Placenta begins to form

Week 2

​​

  • 3 germ layers

  • Blood vessels emerge simultaneously in umbilical vesicle, embryo proper, amnion, and connecting stalk

  • Paired tubular heart

  • Three main divisions of brain

Week 3

Week 4

Week 5

Week 6

Week 7

Week 8

Week 9

Week 10

Week 11

Month 3

Month 4

Month 5

Month 6

Month 7

Month 8

Month 9

Birth

whit-bcks.png

*Times are Estimates

Conception

​​

  • Embryo attaches to wall of uterus

  • Placenta begins to form

Week 2

​​

  • 3 germ layers

  • Blood vessels emerge simultaneously in umbilical vesicle, embryo proper, amnion, and connecting stalk

  • Paired tubular heart

  • Three main divisions of brain

Week 3

Week 4

Week 5

Week 6

Week 7

Week 8

Week 9

Week 10

Week 11

Month 3

Month 4

Month 5

Month 6

Month 7

Month 8

Month 9

Birth

whit-bcks.png

Conception

​​

  • Embryo attaches to wall of uterus

  • Placenta begins to form

Week 2

​​

  • 3 germ layers

  • Blood vessels emerge simultaneously in umbilical vesicle, embryo proper, amnion, and connecting stalk

  • Paired tubular heart

  • Three main divisions of brain

Week 3

Week 5

Week 6

Week 7

Week 8

Week 9

Week 10

Week 11

Month 3

Month 4

Month 5

Month 6

Month 7

Month 8

Month 9

Birth

whit-bcks.png

Understanding the Unborn

*Times are Estimates

Conception

​​

  • Embryo attaches to wall of uterus

  • Placenta begins to form

​​

  • 3 germ layers

  • Blood vessels emerge simultaneously in umbilical vesicle, embryo proper, amnion, and connecting stalk

  • Paired tubular heart

  • Three main divisions of brain

Month 3

Month 6

Month 7

Month 8

Month 9

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