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The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
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4 weeks

From The Biology of Prenatal Development.Buy Now

Script: អាយុរបស់អំប្រ៊ីយ៉ុង និងគភ៌ទាំងអស់ ក្នុងការធ្វើការងារនេះ គឺសំដៅទៅលើពេលវេលា ចាប់តាំងពីពេលដែលមានការចាប់កកើតនៃពូជ ។

៦ សប្តាហ៍

៧ សប្តាហ៍

៨ សប្តាហ៍

៩ សប្តាហ៍

១០ សប្តាហ៍

១១ សប្តាហ៍

៣ ខែ

៤ ខែ

៥ ខែ

៦ ខែ

៧ ខែ

៨ ខែ

៩ ខែ

៤ សប្តាហ៍ ៩ ខែ

All ages referenced to fertilization, not last menstrual period.
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Embryonic Development
Embryonic Development
Sections of the Brain
Sections of the Brain
Body Cavity Formation
Body Cavity Formation
Amniotic Fluid
Amniotic Fluid
The Heart in Action
The Heart in Action
The Limbs Bud
The Limbs Bud
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