The progress of the growth of the baby is also marked by the increase in the width of the waist. It is time to refresh the wardrobe. The organs formed during the first trimester begin to mature during the second trimester and gradually begin to function.

The baby’s skin begins to form by the 15th week of the pregnancy. The eyes of the baby begin to become sensitive to light as one reach the 16th week and it can hear by the end of the 18th week. 

Next page: Third trimester

Written by: Healthplus24 team
Date last updated: April 21, 2012