Your baby's crown-to-rump length is about 8.8 inches. Weight has increased to around 1.5 pounds and fat is still being deposited at a high rate. Babies come in all shapes and sizes, so your baby could vary slightly from these `average` measurements. Your uterus has grown quite a bit bigger this week. The top of your uterus is between your bellybutton and your sternum. Your uterus is about the size of a soccer ball now!