Brett had finished transforming, her thick scaly tail gently swinging behind her when she reared her hips, standing on bony legs ending in pairs of huge toe claws. The smooth surface from her belly to her crotch was strangely interrupted by a small bump, which she experimentally poked and almost felt her internal organs bob back and forth. Then, the lump started moving...
A jolt of hot muscle spasms flashed through Brett's body, clenching her abdomen together, now baring her rows of rubber teeth as she moaned. The slit beneath her tail started becoming wider and wider, while Mary watched in amazement at what was happening. A round, white object was coming out of Brett, and as it slid out further it appeared to be egg shaped. As it finally came out completely, the egg fell on the floor and bounced a few times, seeing as it was made of rubber as well.
"Well congratulations girl", Mary said in amazement, "you've just laid your first egg. Not that it's of much use, but we might still be able to use it as a ball..." Mary carefully observed it, and the egg appeared to be completely empty as she had expected. She then dropped it and returned her attention to Brett...