Your baby measures about 5.2 to 6 inches (13-15cm) from crown to rump and weighs about 7 ounces (200g).
The buds for the permanent teeth are forming behind those that have already developed for the first teeth.
Your baby's nervous system and brain development continue at a spectacular pace. By this week, your baby's motor neurons, which connect muscle to the brain, have grown into place so that your baby can consciously direct her movements. Millions of neurons inside your baby's brain are growing and forming connections and the nerves in her body are being covered in a fatty substance called myelin.
Your baby's ears are now placed on the sides of her head and her limbs are now in proportion. Your baby's tiny foot is just one inch long, but is in perfect proportion to the rest of her leg.
Your baby can hear your voice and recognize it.