Conjoined twins a single fertilized egg does not fully split during the process of forming identical twins. The second theory is that a fusion of two fertilized eggs occurs earlier in development. Although conjoined twinning has not been linked to any environmental or genetic cause, they occur so rarely it has not been possible to draw firm conclusions. Surgery to separate conjoined twins may range from very easy to very difficult depending on the point of attachment and the internal parts that are shared. Most cases of separation are extremely risky and life-threatening. In many cases, the surgery results in the death
Barbi Twins been searching for him since 2008. Their search remained ongoing as of 2014. Barbi Twins Shane and Sia Barbi (born April 2, 1963), popularly known as The Barbi Twins, are identical twins, cover models, co-authors, and spokespersons for animal rights advocacy. Shane and Sia began modeling at the age of seven when they posed for a layout in the Sears mail-order catalog. As adults, their career has included fashion and mainly pin-up modeling. The "Los Angeles Times" did a cover story about the Barbi Twins when their billboard went up on Sunset Boulevard in 1989 immediately catapulting them to worldwide