Your baby will begin to look more like a newborn as the skin becomes less transparent and fat production kicks into high gear.
Sunday, March 16, 2008
Week 23: Lungs prepare for life outside the womb
Your baby's lungs are beginning to produce surfactant, the substance that allows the air sacs in the lungs to inflate — and keeps them from collapsing and sticking together when they deflate. "Practice" breathing moves amniotic fluid in and out of your baby's lungs.
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