A member asked:

During which weeks of development is a baby considered an embryo?

2 doctors weighed in across 2 answers

From implant-9wk: Although some will quibble and call a fertilized egg an embryo, most agree that the true embryonic stage starts with implantation of the fertilized egg in the womb and continues to the end of the eighth week. From 9 wks to delivery is considered the fetal period.

Answered 5/22/2012

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2-7 wks: Most consider this term for the period from the creation of the embryonic disk (end wk of 2) to the end of week 7.

Answered 4/5/2013

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