The baby is beginning a period in which increase rapidly in weight and grow. Now is 2 ½ to 3 inches long and weighs about ½ to ¾ ounce. In the next two weeks, your weight will double. The ears and eyes are moving to permanent sites. Have already appeared the 27 bones of the hand. Soon the baby will start sucking. The baby has bone structure and now no longer an embryo but a fetus. Moreover, the chorion becomes the placenta. The midgut, which was outside the baby's body, enters the abdominal cavity. The baby's abdominal wall having formed close and navel, where it enters the cord.
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