23 week update, www.pregnancy.org

Taken from www.pregnancy.org Week Twenty-Three Proportions of the body are now quite similar to a newborn although thinner since he hasn't begun to form body fat. Bones located in the middle ear harden. Your baby is able to hear. The eyes are formed, though the iris still lacks pigmentation. The pancreas, essential in the production of hormones, is developing steadily. He has begun producing insulin, important for the breakdown of sugars. If born now, your baby has a 15% chance of survival, his odds going up with each passing day. . The average baby at this stage weighs 1.1 pound (501gm) and is 11.38 inches (28.9cm) long.