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SlideshowReport

Fertilization to Implantation

Description
3 DAYS 10—11. The
yolk sac, embryonic
disk, and amniotic
cavity have started to
form from the
blastocyst.
Actual
size
DAY 12.
Blood-filled spaces
form in maternal
tissue. The chorionic
cavity starts to form.
a
Actual
size
8 DAY 14. A connecting
stalk has formed between
the embryonic disk and the
chorion. Chorionic villi,
which will be features of a
placenta, start to form.
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