Note: Information provided on this page is for general education only, growth of baby inside womb depends upon many factors and growth of your baby may differ slightly than indicated below, please seek medical advice whenever in doubt.

In this week ...

• Baby's lungs are maturing and baby’s little body is producing surfactant, which helps baby breathe after birth, coating the alveoli in the lungs, in case of premature delivery the surfactant will help their airways to stay open and not collapse.
• The amniotic fluid which surrounds baby is peaking in volume around now and is creating a warm, sterile bath for your baby to float around. The amount of amniotic fluid is a sign of how well your baby's kidneys are working. A baby should normally be producing around 500ml/day at this stage of pregnancy.
• Baby will grow to average length of about 17.20 inches or 43.7 centimeter Crown to Heel and weighs about 4.23 pounds or 1918 grams towards the ends of this week.