Categorized In: Women's Health
Source: Fetal development: What happens during the first trimester? - MayoClinic.com | www.mayoclinic.com
Description: At week five, your baby is 1/17 of an inch long - about the size of the tip of a pen. This week, your baby's heart and circulatory system are taking shape. Your baby's blood vessels will complete a circuit, and his or her heart will begin to beat. Althou
Oct 20 2009, 11:34am
