4 Weeks
5 Weeks
6 Weeks
7 Weeks
8 Weeks
Spaceman, 13 weeks
10 Weeks
16 Weeks: The foetus uses its hands to explore its own body and its surroundings.
Foetus gripping and pulling the long Umbilical cord. The skeleton consists mainly of flexible cartridge and a network of blood vessels is visible through the thin skin.
18 Weeks: The size of foetus is approximately 14cm. It can now perceive sounds from the outside world.
20 Weeks: Approximately 20cm. Woolly hair known as lanugo, covers the entire head
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Foot of an embryo
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