Duchess of Cambridge to put foreign tours on hold

Pregnant British royal Catherine, Duchess Of Cambridge will not undertake any tours of duty abroad in 2013, according to a new report.

Prince William's wife is due to give birth to the couple's first child in the summer, and aides believe official trips outside of the U.K. will be put on hold to avoid tiring her out.

A source tells British newspaper The Daily Telegraph, "No overseas tour has yet been planned for next year, and obviously the arrival of the baby will have an effect on the Duchess' diary."

Since marrying the Prince in 2011, the Duchess has undertaken several official trips abroad as part of her royal duties, including visits to Canada and the U.S., and an extensive tour of Southeast Asia and the South Pacific.