6th month of pregnancy: your unborn child can hear the sound of your voice

You feel baby move every day, but what can they feel? Something wonderful happens in this 6th month: they can hear sounds out in the world, including your voice.

Your unborn child pees... the placenta is a super filter!

Your baby’s muscle tone is no secret for you: they can make between 20 and 60 movements every half an hour1!

At the end of this 6th month of your pregnancy, your unborn child will weigh on average 860 grams1. They are gaining weight regularly (and so are you) and they start to produce fat at this stage. Their skin will become less wrinkled, and their colour is getting redder!

They are now able to do something else new: they can pee! They absorb liquid and reject it in the form of urine, which is filtered by the placenta and “returns” the liquid to your own body. The wonderful mechanics of pregnancy then renews the amniotic fluid every 3 hours1.

Your baby bump is getting more prominent and your baby can hear you

Your unborn child’s ears are already fully operational. They are growing like a little flower and can hear the sound of your body at all times, the rumbling, your heartbeat, etc.

But they can also clearly hear your voice: they “know” that it’s you and they can recognise it amongst all others2. On the ultrasound, their ears are visible, and they are already fully formed.

Your bump is wonderfully rounded and it may start to feel rather heavy… you have come to the end of your second trimester of pregnancy, the adventure continues and it’s going to get weighty!

1Béatrice Knoepfler, with the participation of Dr Jean-Philippe Bault, Le calendrier de votre grossesse, Eyrolles.

2Laurence Pernoud and Agnès Grison, J’attends un enfant, éditions Pierre Horey


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Breast milk is the ideal food for infants. WHO recommends breastfeeding exclusively for the first 6 months and then continuation thereof until the age of 2 alongside the introduction, from 6 months, of safe and appropriate complementary foods. Please consult a healthcare professional if you need any advice about feeding your baby.