HT5. Abby & Brittany Hensel, the Famous Conjoined Twins, Have Finally Been…See More
Understanding Their Rare Medical Condition Conjoined twins occur when a fertilized egg only partially separates during early development. According to the University of Maryland Medical Center, this happens in about one in every 200,000 live births, and only a small percentage of those twins survive beyond infancy. Abby and Brittany’s specific condition, known as dicephalic … Read more