Kate Middleton's pregnancy: Website launches royal baby sweepstake game

Duchess of Cambridge's pregnancy sparks betting game on website, encouraging fans to have a punt on sex, name and weight

The Duchess of Cambridge isn't due to give birth until July.

But Kate Middleton and Prince William's unborn child is already making headlines, prompting one website to create a Royal baby sweepstake game, of all things.

A website is offering a Royal Baby Sweepstake for fans to have a bet on Kate Middleton's unborn childAs speculation over to the sex, name and weight of the young royals' offspring continues, website Firebox.com is suggesting we turn it into a bit of fun with friends and have a bet.

Their Royal Baby Sweepstake package, which is priced at £11.99, is apparently "ideal for offices, social clubs and fanatics of pre-natal predictions."

Kate Middleton and Prince William's unborn child isn't due til July, but there's around a whole flurry of spec …It's also described as being "your ticket to monetising the miracle of childbirth, while still celebrating with those kids from Cambridge."

But while fans of Kate Middleton, who is said to still be battling extreme morning sickness, may be riled by the prospect of making a game of her pregnancy - they're not the only ones cashing in.

Bookies William Hill are offering odds on the royal tot, on a range of factors including eye colour, weight and time of birth.

Baby names are proving the most popular betting factor, with William's late mother's name, Diana, with odds currently at 6/1 and Elizabeth with odds of 8/1.

The baby - who will be third in line for the throne - is due in July and tens of thousands of pounds have already been spent on placing bets on the royal heir.

It was recently announced that Catherine, 31, expects to resume official engagements "in the near future".

A St James's Palace spokesman said: "Their Royal Highnesses the Duke and Duchess of Cambridge are delighted to confirm they are expecting a baby in July.

"The duchess' condition continues to improve since her stay in hospital last month."

What do you think of the Royal Baby Sweepstake game? Tell us over on Twitter, now.