A pattern to make a knitted uterus, complete with finishing instructions :

"... Draw yarn through remaining 8 stitches and fasten. Insert dolls head or ball. Weave seam binding or ribbon through to control opening."

What exactly would you want a knitted uterus for? For your friend/family member who recently had a hysterectomy?
"Here. I made you this. Thought it might brighten your day to get a handmade, knitted uterus!"
With a card that reads, "Happy Hysterectomy! Who needs that old thing, anyway?"