24 st weeks of pregnancy: surfactant production

Your baby is starting to get a bit chubby and the fat reserves developed throughout her maturity now account for almost 3% of her total weight. At around 820 grams, he has reached one third of his final weight and is starting to get a little smaller...

The nerves are completing their development and the brain is now showing more and more convolutions. The lungs begin to produce surfactant, the substance that allows the lung alveoli to expand at the time of birth and optimise the newborn's breathing.