Baby girls Rital and Ritag Gaboura, who are 11 months old, were separated on 15 August after four operations at Great Ormond Street Hospital for Children.

 

They do not appear to have suffered neurological side effects. Only one in 10 million sufferers survive their rare condition. 

 

The Sudanese infants were flown to the UK by the charity Facing the World.

 

Conjoined twins are very rare and only 5% of conjoined twins are craniopagus（头颅连胎） , which means they are fused¹ at the head. 

 

About 40% of twins fused at the head are stillborn（死胎的） or die during labour and a third die within 24 hours.

 

The nature of the twins' condition meant significant blood flowed between their brains. 

 

Ritag supplied half her sister's brain with blood whilst² draining most of it back to her heart. It was a life-threatening situation because significant drops in brain blood pressure would cause neurological damage.

 

The children were born by Caesarean section in Khartoum, Sudan.

 

The girls' parents, who are both doctors, said: "We are very thankful to be able to look forward to going home with two separate, healthy girls. We are very grateful to all the doctors who volunteered their time and to Facing the World for organising all the logistics and for paying for the surgery.

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