Friday, December 12, 2008

20 Weeks

-Top of the uterus is even with or just below the naval.
-Baby's skin is thickening and will begin to form four layers.
-Gland will produce vernix caseosa, a waxy substance that protects baby's skin from the continuous immersion in the amniotic fluid.
-Scalp hair and toenails are forming.
-Baby's digestive system is producing meconium, a tarry black substance consisting of swallowed amniotic fluid, digestive secretions and dead cells, which will fill baby's first diaper when he is born!


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