Gestational age: 8 weeks old. 57-63 days from last menstruation.
Embryonic age: Week nr 7. 6 weeks old. 43-49 days from fertilization.
- The embryo measures 18 mm (3/4 inch) in length. [Yikes, it's getting big!]
- Nipples and hair follicles begin to form.
- Location of the elbows and toes are visible.
- Spontaneous limb movements may be detected by ultrasound.
- All essential organs have at least begun formation.
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