Week 19: Lanugo covers baby's skin

Your baby's delicate skin is now protected with a pasty white coating called vernix. Under the vernix, a fine, down-like hair called lanugo covers your baby's body.

Your baby's kidneys are already producing urine. The urine is excreted into the amniotic sac, which surrounds and protects your baby.

As your baby's hearing continues to improve, he or she may pick up your voice in conversations — although it's probably hard to hear clearly through the amniotic fluid and protective paste covering your baby's ears.

Thanks to the millions of motor neurons developing in the brain, your baby can make reflexive muscle movements. If you haven't felt movement yet, you will soon.