Conjoined twins given a one-in-a-million chance of survival are vying for a ...

They are healthy, happy and looking forward to a promising future with dreams of Oxbridge.

It is a far cry from the terrible uncertainty Zainab and Jannat Rahman faced when they were born – joined at the chest and liver.

Doctors had told their parents to consider aborting the conjoined twins, giving them a one in a million chance of survival.

But the sisters defied the odds, and have now just celebrated their 16th birthdays.

Jannat and Zainab

Jannat and Zainab

Jannat (in red jumper left) and Zainab (in yellow jumper right) defied the odds and have recently celebrated their 16th birthday (right: Jannat left and Zainab right)

Jannat (left) and Zainab Rahman (right) celebrated their 16th birthday and wore matching outfits

Jannat (left) and Zainab Rahman (right) celebrated their 16th birthday and wore matching outfits

The twins were born co-joined and were pictured with their father Luther (centre) shortly before their separation surgery

The twins were born co-joined and were pictured with their father Luther (centre) shortly before their separation surgery

Their proud mother Nipa, 36, a nursery nurse, said: ‘Everything we went through before feels like a distant nightmare now. At that time I never dared imagine this day. But to look at them now is amazing. They have achieved so much already and against the worst odds imaginable.’

The girls were separated at six weeks old in a pioneering four-and-a-half hour operation by a 20-strong surgical team at Great Ormond Street Hospital.

Today they are promising A* pupils at the top of their school in east London, where they are both prefects.

Jannat (left) and Zainab (right) were born co-joined from chest to abdomen, they are pictured above at six-weeks-old

Jannat (left) and Zainab (right) were born co-joined from chest to abdomen, they are pictured above at six-weeks-old

Parents Luther (left) and Nipa Rahman (right) with twins, Jannat and Zainab when they left Great Ormond Street Hospital

Parents Luther (left) and Nipa Rahman (right) with twins, Jannat and Zainab when they left Great Ormond Street Hospital

Zainab hopes to go to Cambridge and become a paediatrician at Great Ormond Street. Jannat, who is studying three languages, plans to go to Oxford and hopes to become a lawyer. Their father Luther, 42, a business development director, beams with pride at his daughters’ achievements and ambitions, which he is certain they will achieve.

‘I am the luckiest father in the world. When I see these two I feel that God gave me a gift. We are still cherishing it. Every day. They have made us both very proud,’ he said.

‘They are a miracle. And I tell them that they are here for a greater need in this world. To achieve good things and to treat people with respect and kindness.’

Zainab (left) and Jannat (right) say they are best friends and constantly finish each other's sentences

Zainab (left) and Jannat (right) say they are best friends and constantly finish each other's sentences

The sisters, who are full of energy and constantly finishing each other’s sentences, turned 16 on December 1.

In all their lives the girls, who say they are ‘best friends’, have

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