19 weeks :) half way.
I say half way b/c I will induced at 38 weeks, so this is halfway for me.
Vernix caseosa, a greasy white substance made of lanugo, oil and dead skin cells (yum) now coats baby’s skin, shielding it from the amniotic fluid. (Picture yourself after a nine-month bath, and the need for protection makes sense.) You might actually get to see the vernix at birth, especially if baby is premature.
What You’re Thinking: "Where did the baby get a flame thrower? This heartburn is the worst!"
This week your baby starts bulking up and packing on the grossly named "brown fat" he’ll need to keep warm when he gets evicted from his comfortable uterine home. Other highlights this week:
Your baby’s kidneys are fully functioning and producing urine this week. Bad news: That means there will be lots of diapers in your future. But so far you’re safe—at the moment the pee just passes into the amniotic fluid.
He or she now weighs about 8 1/2 ounces and measures 6 inches, as long as a turkey sub from Subway on warm, delicious Italian Herbs and Cheese bread (or Honey Oat bread, or Oregano bread or … )