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How is pregnant Kourtney Kardashian feeling these days?

"My baby is moving like crazy!" she Twittered on Monday. "Going to try and relax and sleep."

In the latest issue of Us Weekly (on newsstands now), Kourtney, 30 — whose sister Khloe wed over the weekend — and beau Scott Disisck open up about how they're prepping for parenthood.

"We're home every night looking at baby books and baby magazines," Disick, 26, tells Us Weekly. "I just want to stay home with her, enjoy her company, look at her stomach and be with her."

Adds Kourtney (who is due in December): "Everyone says things like, 'You're going to be exhausted.' I've read online that if you don't include the dad in things, that can cause a lot of fights."

More on Usmagazine.com:

See photos of Kourtney Kardashian and other stars who went from wild to mild

See a photo of Kourtney Kardashian going to Khloe's wedding — and more!