Well, now that I've caught you all up, here's what is currently going on for the little guy:Over the last three weeks, he has doubled his weight and added inches to his length. At this point, he weighs about 8 1/2 ounces and measures about 6 inches head to rump. His arms and legs are finally in the right proportions to each other and the rest of his body. His kidneys continue to function, and the hair on his scalp is starting to grow. Although he is able to hear some of the functions withing my body, over the next few weeks, he'll be able to hear voices outside the womb and respond positively to music or loving words. Also, a protective coating called Myelin is beginning to form around his nerves, a process that will continue for a year after he's born.
This is a crucial time for sensory development. The baby's brain is growing rapidly. By this stage, all of the major areas have been differentiated. Now, the cortical layers, which govern specific brain functions, are beginning to form, designating specialized areas for smell, taste, hearing, vision, and touch.
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