At 30 weeks your baby is approximately 15.7 inches from head to toe, and weighs almost 3 pounds(about the size of a large cabbage).
Your baby's brain has been smooth until now, but this week it gains a new topographical feature: wrinkles. These folds - called convolutions - give the brain more surface area, so it can hold more cells. A pint and a half of amniotic fluid surrounds it, but that volume will shrink as it gets bigger and takes up more room in your uterus. Baby's eyesight continues to develop, though it's not very good.
Note: Every baby develops a little differently — even in the womb. This information is to give you a general idea of your baby's size.
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