Michaiah is halfway to her birth size, measuring an amazing 9 or 10 inches long and growing fast. She is now the length of a carrot. From this point onwards she'll focus on gaining weight rather than growing in length. She'll double in length but weight-wise there will be about a 12-fold increase. There is a slowdown in growth but different organ systems within her are maturing. Essential nutrients are passed to the baby from the amniotic fluid. Up until this point, her liver and spleen have produced nearly all of her blood cells. The liver will keep doing that until after her birth, and now her bone marrow's getting up to speed, churning out red blood cells as well.
Her brain is growing as fast as the rest of her, and it will keep growing rapidly for several more years. As her senses develop, she's becoming increasingly aware of my eating and sleeping habits and of light and noise levels outside my body.
21 Weeks
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