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The Endowment for Human Development
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The Embryonic Period


8 weeks

From The Biology of Prenatal Development.Buy Now

Script: Semasa 8 minggu pertama lepas persenyawaan, manusia yang terbentuk dipanggil embrio, yang bermaksud "sedang membesar di dalam." Waktu ini, dinamakan tempoh embrio, iaitu waktu pembentukan kebanyakan sistem utama badan.

All ages referenced to fertilization, not last menstrual period.
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Reflexive Movement
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The Embryonic Period
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End of Embryonic Period
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