The medical and surgical team specialized in separating Siamese twins, led by Advisor at the Royal Court and Supervisor General of King Salman Humanitarian Aid and Relief Center (KSrelief) Dr. Abdullah bin Abdulaziz Al Rabeeah, started this morning a surgery to separate the Yemeni parasitic twin Aisha Ahmad Said Mheimoud. The surgery comes as an implementation of the directives of the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud and is being performed at King Abdulaziz Medical City at the Ministry of National Guard. The surgery is expected to last for eight and a half hours with the participation of 25 doctors and specialists, in addition to technicians and nurses. Aisha is a complete baby with a parasitic twin sharing the pelvic area, in addition to having genetic defects and sharing of lower urinary and reproductive systems. With today's surgery, twin separation surgeries total 50 as part of the Kingdom of Saudi Arabia's leading expertise over three decades that included studying 117 Siamese twins cases from 22 countries in three continents.