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The Endowment for Human Development
The Endowment for Human Development
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Slideshow: Slideshow 1

Hand, 7 Weeks Pregnant

#105, Slide 9 of 19

7 weeks

From The Biology of Prenatal Development.Buy Now

Note:

The hands are rapidly changing after just seven weeks of pregnancy. And in three or four more days, free fingers!

Label Key:

1. digital rays
2. notching
3. liver
4. index digital ray
5. heart
6. facial profile
7. thumb digital ray
8. left hand
All ages referenced to fertilization, not last menstrual period.
Fertilization BeginsThree-Cell EmbryoEarly BlastocystImplantation Well UnderwayThe 4-Week EmbryoVitelline Vessels and Yolk SacHand Plate and Vital OrgansHand, 7 Weeks Pregnant7½-Week EmbryoRight Eye and Facial Profile9-Week Fetus, MRI AnimationExit Stage LeftPosterior Surface of Left ThighStill HidingThe MouthFace, 27-Week FetusFace and Left ForearmReady for Birth and Beyond
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