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Little One Pregnancy Place  

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Ready for Birth and Beyond
 

Note:

I think I smell food! Mom must be expecting me.

Label Key:

  • 1. muscle layer
  • 2. cells lining the womb
  • 3. embryo (or blastocyst)
  • 4. future surface of back
  • 5. inner cell mass or sometimes called the embryo proper
  • 6. blastocyst cavity
  • 7. future surface of chest and belly
  • 8. inner cavity of the womb (uterus)

All ages referenced to fertilization, not last menstrual period.
Show Labels | Larger
Ready for Birth and Beyond
Ready for Birth and Beyond
( 9 months)
On my way: One cell becomes two
On my way: One cell becomes two
( 36 hours)
The Human Morula
The Human Morula
( 3 days)
Blastocyst with Inner Cell Mass
Blastocyst with Inner Cell Mass
( 5 days)
Embryo at About 11 Days
Embryo at About 11 Days
( 11 days)
Germ Layers of the Embryo
Germ Layers of the Embryo
( 14 days)
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