Transcript for Royal Rumors Spread Amid Great Kate Wait
following every clue and every movement by the royal family, when will the new heir be born? Britain is ready. But, is the baby? Amy robach knows those babies decide on their own. Right, amy? Reporter: They certainly do, david. Behind me the most-watched doors in the world. You know how the saying goes, a watched pot never boils. It is the never-ending great kate wait. When will the duchess of cambridge finally go into labor? Everyday there's a new false alarm. I spent so much time jumping up and down. Between there and the window doors, it's kept me quite fit. Reporter: Today a helicopter landed at kensington palace but no one knew if the couple were in the chopper. Last night, a call from the middleton's home to the police. But it was just a dog, possibly william and kate's beloved lupo, caught in the family's security gate. Yesterday, "the sun" newspaper sent kate and william look-alikes to the hospital. But the journalists weren't fooled and it gave the royal press pack some welcome relief. Every jumped up and grabbed their cames. Kate looked amazing. Reporter: Even kate's mother has the world buzzing. A week ago, in the row beside me was carole middleton, she said I really shouldn't be here because kate is expecting a baby any day now. Reporter: We believe kate and william are now back at their cottage at kensingon the palace. And we can confirm that prince william has taken official leave from his military duties. Any day now. David, any day.
This transcript has been automatically generated and may not be 100% accurate.