The Duchess of Cambridge is reportedly feeling under strain with the constant speculation about when she will have a baby.
With Prince William leaving for his six-week RAF tour in the Falkland Islands with the search and rescue helicopters, Kate will be left to deal with the stress without his support.
Although she will miss her new husband, sources report that people waiting for pregnancy news causes her the greatest strain.
It has been reported that Catherine wants to wait until 2013, after their Diamond Jubilee tour of the South Pacific.
The Duchess sparked pregnancy rumours in November when she refused to eat some peanut paste.
Meanwhile, last month a toy company Arklu revealed that it has been inundated with orders for a pregnant Catherine doll.
A source told Now magazine: "People forget she's a normal person.
"She's also got the whole world discussing whether she's pregnant.
"OK, people are excited about a Royal baby, but they've got to think of the pressure they're putting on her."
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