The baby now measures about 4.3 to 4.6 inches and weighs about 3.5 ounces. You should be able to feel the top of your uterus about 3 inches below your belly button. The baby’s eyes can blink and the heart and blood vessels are fully formed. The baby’s fingers and toes have fingerprints. Swipe to advance 7/13 Development at 20 Weeks
By 29 to 30 weeks, a growing baby has matured a lot. Premature babies born between 29 and 30 weeks will still require long NICU stays, but their vital organs are much more developed than those of babies born earlier. At 29 to 30 weeks, premature babies weigh about 3 pounds and are about 17 inches long.
What You’re Seeing: This 3D image of your developing baby shows how lifelike she appears at this early age. Notice that baby-to-be is tucked into a c-shape, with her head toward her stomach and her arms and legs jutting outward. The umbilical cord is seen going from the baby’s abdomen to the placenta. Read more about your baby in week 10.