Monster Update: 35

The Tummy Monster doesn't have much room to maneuver now that he's over 18 inches long and tips the scales at 5.25 pounds (the heft of a honeydew (pictured)). Because it's so snug in Stef's womb, he isn't supposed to be doing somersaults anymore (although he hasn't gotten that memo, yet). He's still kicking a ton and hanging out on Stef's spleen. His kidneys are fully developed now, and his liver can process some waste products. Most of his basic monster development is now complete — he'll spend the next few weeks putting on weight. That extra helping of turkey and mashed potatoes? All him.

Text adapted from Baby Center.