embryonic period

Period from fertilization to the end of major organogenesis. [8]
Found on http://sis.nlm.nih.gov/enviro/iupacglossary/glossarye.html

Embryonic Period

The period of time that occurs from the moment of conception until the eighth week of pregnancy, at which time the fetal period begins.
Found on http://www.pregnology.com/AZ/E/2

Embryonic period

First 10 weeks of gestation (8 weeks of fetal development).
Found on http://www.thebabywebsite.com/article.1113.Glossary_of_Pregnancy_Words.htm
No exact match found