Extremely rare birth defects

Birth defects like the Mermaid syndrome, a deformity where the legs are fused together,  Craniopagus, a phenomenon where twins are joined at the head, and Dicephalic parapagus, a condition of having two heads, occur rarely but prove challenging to the medical world.From Pakistan to  Brazil to more recently India- conjoined twins radhana and Stuti will be operated in the same hospital they were born and abandoned by their parents.