The young lady entered

The young lady entered the doctor’s office carrying an infant.

“Doctor,” she explained, “the baby seems to be ailing. Instead of gaining weight, he lost three ounces this week.”

The medic examined the child and then started to press the lady’s fronts.

He then unbuttoned her skirt, removed the corset and began powerfully sook on one milk jars.

“Young lady,” he finally announced, “no wonder the baby is losing weight, you haven’t any milk!”

“Of course not!” she shrieked. “It’s not my child, it’s my sister’s!”