Mother becomes first woman in Britain to give birth to two sets of twins all with the same birthday

Mother becomes first woman in Britain to give birth to two sets of twins all with the same birthday

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UPDATED:

20:17 GMT, 29 August 2012

July 18 will always be an expensive day for the Hefer family.

Four years ago on that day, Kim Hefer
gave birth to twin boys. Incredibly, on the same day this year, she gave
birth to another set.

It is believed to be the first time a
pair of naturally conceived twin boys have been born on the same day in
different years in Britain.

Twin-credible: Kim Hefer gave birth to twins Devon and Logan on July 18 - the birthday of her four-year-old twin sons Tristan and Blake

Twin-credible: Kim Hefer gave birth to twins Devon and Logan on July 18 – the birthday of her four-year-old twin sons Tristan and Blake

Although the chances of a mother who
has had one set of non-identical twins having another are quite high, it
is almost unheard of to have another set on the same day.
Mathematicians say the odds are 500,000-1.

Mrs Hefer, 29, gave birth to Devon and Logan on July 18 this year, the birthday of four-year-olds Tristan and Blake.

Her husband Freddie, 30, a financial
manager for Deutsche Bank, said they had been expecting the babies on
August 13, but they arrived four weeks early after Mrs Hefer was taken
to hospital with high blood pressure.

Logan was born at 11.50pm weighing 5lb 5oz, and Devon a minute later at 6lb 3oz.

Big birthday celebrations to come: Kim and husband Freddie will have the throw birthday parties for both sets on twins on the same day

Big birthday celebrations to come: Kim and husband Freddie will have the throw birthday parties for both sets on twins on the same day

Mrs Hefer, of Little Paxton,
Cambridgeshire, is now facing a joint birthday party with four sets of
presents and four cakes for her sons when they turn one and five on the
same day next year.

She said: 'My house is a little insane at the moment but we are all extremely happy.

'Tristan and Blake are very excited about their new brothers and said they can't wait to play with them.'

First time around: Tristan and Blake were born in South Africa on July 18 2008

First time around: Tristan and Blake were born in South Africa on July 18 2008

Take two: Devon and Logan were delivered on July 18 2012

Take two: Devon and Logan were delivered on July 18 2012

But she added: 'We're definitely not
planning to have any more children – I think two sets of twins is quite
enough.' There are only six families in the world with two sets of twins
born on the same date.

Keith Reed, chief executive of the
Twins and Multiple Births Association, said: 'It's a fantastic
coincidence. Although there's a one in 16 chance of having a second set
of non-identical twins, it must be very unlikely to have them born on
the same day.'

Bookmaker William Hill said that if
Mrs Hefer had approached it while pregnant with the first set of twins
and put a bet on another set arriving on the same day, it would have
offered her odds of 30million-1.

Band of brothers: The older twins meet one of their new siblings

Band of brothers: The older twins meet one of their new siblings

Against the odds: Freddie couldn't believe his sons were born on the same day as his older boys

Against the odds: Freddie couldn't believe his sons were born on the same day as his older boys

Handful of fun: Kim admitted her house is a 'little insane at the moment' but she and husband Freddie couldn't be happier

Handful of fun: Kim admitted her house is a 'little insane at the moment' but they couldn't be happier