Two-year-old Charlotte weighs less than eight pounds and wears the clothes of a newborn baby. At 22 inches tall, she is half the height she should be and her sisters can dress her up in their dolls' clothes. While it is clear that Charlotte suffers from primordial dwarfism, the type of her condition is not yet known.

MOPD Type 1 is a serious affliction marked by repeated strokes and seizures, and sufferers rarely live past their third birthdays. MOPD Type 2 patients often live to be 30, a