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Fetal development - week 31

Thank you for the music

Posted: 19 May 2005
by ThinkBaby

31-week fetus - Image courtesy of Babybond
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Your baby is now around 45 centimetres long, top to toe, but the rate of growth has slowed down a little. He’s still putting on weight rapidly though, adding more pre-birth fat stores under the skin, and now weighs about 1.5kg or 3.3lbs.

The brain is also growing rapidly at this time, creating billions more nerve cells. Your baby will by now be able to differentiate and react to different kinds of music, he may move in time to the music and even prefer some music to others. After birth your baby might find it comforting to hear music he grew used to in the womb, so make sure you like whatever you play him now!

Your baby is now storing the vitamins and minerals needed to grow healthy bones and blood, particularly calcium and iron. As your baby gets all his nutrition from you, this is another particularly important time to make sure that you are getting enough iron, calcium, folic acid, potassium and protein in your diet.

What’s happening with Mum?
You’re probably getting a little tired of the discomforts of pregnancy by now, particularly as your abdomen becomes more cramped and painful and the weight more a toll on your back. You might be really looking forward to meeting your little one, but his lungs have yet to fully develop and with every week he stays in your womb he’ll be better prepared for life outside it.

If you’re lucky enough to have your partner with you then this is a part of the pregnancy they can easily be actively involved with, not only taking on a greater share of the chores that need doing, but by giving you back rubs and massages.

NB: All pregnancies are different and fetal growth rates vary, this is meant only as an approximate guide to development. If you have any concerns about your developing pregnancy then speak to your doctor.

Pregnancy experiences

What do to about swelling - I am 31 weeks pregnant and have just started suffering from swollen ankles and hands/fingers. I have managed to remove my engagement ring but my wedding ring is stuck and is uncomfortably tight! Check out the advice Kirtsy got on the forum, or chip in with your own thoughts and experiences.

If you've got experiences of your own to add then why not share them with other ThinkBaby members in the pregnancy or birth folders?

Blog away! Don't forget to have a look at the pregnancy blogs this week to find out how the other mums-to-be are getting on. And why not start or update your own blog too?

Ready for baby?

Cloth or disposable - We look at how each type of nappy performs in several areas to see which is best. If you haven't thought you had much choice here then it's time to think again.

Breastfeeding know-how- If you hope to breastfeed then it pays to be prepared. There's a wealth of experience and adcive to draw on on ThinkBaby, and you can find most of it here.

Other weeks

1-4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40

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