Week 5

WEEK 5

After weeks of rapid cell development, your baby takes on a more distinct form. During the fifth week of pregnancy, here's what's happening inside:

• Her heart and circulatory system take shape — a bulge indicates where your baby's heart is developing. By the end of the 5^th week of pregnancy, your baby's earliest blood vessels form.
• Around the 5^th week of pregnancy, your baby's heart begins to beat and may be visible on an ultrasound.
• The umbilical cord replaces the yolk sac. The umbilical cord works with the placenta to bring nutrition and oxygen to your baby and remove waste.
• At 5 weeks pregnant, your baby is the length of the tip of a pen, about 1/17 inches, and growing rapidly every day.