1h 40min, jul 5, 2002 y - Head to heels, your baby now measures about 13 1/2 inches. Her weight – 1 1/2 pounds – isn't much more than an average rutabaga, but she's beginning to exchange her long, lean look for some baby fat. As she does, her wrinkled skin will begin to smooth out and she'll start to look more and more like a newborn. (Timeline)