Pregnancy week 12
(Sparx Media)

How's the foetus at 12 weeks?

A perfectly-formed human being
Your baby weighs about 14g and is about 5.4cm long from crown to rump. Your uterus is still about the size of a grapefruit, your baby, a lime.

Your baby now has reflexes.
She is beginning to move her facial muscles – she can frown, open and close her mouth and suck and swallow amniotic fluid.
Her heartbeat can clearly be heard. The heart rate is about 160 beats per minute.
Your placenta has taken over hormone production.
Her kidneys have started to produce and secrete urine and her liver is making bile
Her taste buds have formed.
Her ribs and vertebrae have begun to harden into bone.
At 12 weeks your baby is already a perfectly formed human being.

What's with my body: Rising uterus, rounder tummy

Your stomach may begin to round a bit and you might start showing.
You might find that you have a little more energy than you used to and also are not as nauseous as before.
The linea nigra (black line running down the centre of your abdomen) may appear.
Your uterus has probably risen above your pelvis.
Don't try to diet if you are worried about gaining weight. Make sure that you follow a healthy, balanced diet. You can listen to your baby's heartbeat!

Go back to the complete list of Pregnancy week-by-week updates.

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