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Pregnancy: Twenty-one weeks

Your wife is now twenty one weeks pregnant. Your baby’s skin has already changed from translucent to more opaque and he has a fully formed tongue.

Research suggests that signals from the outside world, such as light and sound, help him develop his internal clock.

Here is a picture of what your baby looks like at this stage:

See the other pregnancy weeks
WEEK 15
WEEK 16
WEEK 17
WEEK 18
WEEK 19
WEEK 20
WEEK 21
WEEK 22
WEEK 23
WEEK 24
WEEK 25
WEEK 26
WEEK 27
WEEK 28
WEEK 29
WEEK 30
WEEK 31
WEEK 32
WEEK 33
WEEK 34

WEEK 35
WEEK 36
WEEK 37
WEEK 38
WEEK 39
WEEK 40