Foetal length : week 9 from 5cm to 12cm at week 13
Foetal weight : from 10g to 65 g
Her heart beats between 110 and 160 pulsation per minutes. The beats
are nearly twice faster than yours.
It is the beginning of her bones' creation.
At week 12 your placenta has its final shape. It is a
go-between between you and your baby (see : the
placenta)
At the end of this 3rd month, your baby opens her mouth
and begins to swallow amniotic fluid. (see : amniotic fluid).
2
- YOU :
Drink a lot of water especially to avoid cystitis.
Rest.
You can go on to do some sports. Of course avoid all the violent ones.
But you can go on swimming and walking. Indeed both help the blood to
better circulate into your veins.
Write to your boss that you are pregnant. You can also mention when
your maternity leave is supposed to begin.
You should feel much better. Indeed morning sickness and tiredness
should have stopped. Your vitality comes back progressively.
Your abdomen begins to round up.
It is time to have your 1st scan and thus being introduced
to your baby.