Your baby is about 20 cm long and weighs approximately 240g. His/her skin gradually becomes thicker, even being transparent yet. His/her nails grow, as well as his/her hair, which you will be tenderly stroke in a few months.
And under the hair of your baby – in his/her small head, the period of division of nervous cells finishes. Their number is between 12 and 14 billion, and will remain the same until your child grows. After his/her 18th year of age, the number of nervous cells will gradually start decreasing.