Kim Kardashian is pregnant with Kanye West's baby -- but in a new interview, the reality star reveals her own fertility issues made the baby news a big surprise.

"Khloe has been very open about her fertility issues and I think I was always really kind of quiet about mine," Kim said this morning on "Today."

"I have similar issues and so it was a pleasant surprise when so many doctors were telling me one thing and then the opposite happens," she added.

Kim and sister Kourtney Kardashian were on the show promoting the upcoming season of "Kourtney and Kim Take Miami."

Check out the video above to see a clip from the new season -- and find out what she had to say about possibly tying the knot with Kanye once she finally gets a divorce from Kris Humphries.

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