Spencer Pratt: 'Puppy Poop' Put Heidi Montag Off The Idea Of Having A Baby

It's Speidi time -- Spencer Pratt and Heidi Montag from 'The Hills' MTVAccess Hollywood

LOS ANGELES, Calif. -- Heidi Montag is over wanting children with husband Spencer Pratt.

When asked by Access Hollywood's Maria Menounos on Monday when they were planning to expand their brood, Heidi, who has spoken out in the past about wanting to have kids with her man, revealed the plans have changed.

VIEW THE PHOTOS: Heidi Montag & Spencer Pratt

"Umm, I think maybe never," the blonde said.

And she cited the current U.S. educational system as one reason for not pro-creating.

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"I think the world is very crazy and it's just getting crazier and crazier and I wouldn't want my kid in the school systems and everything [the way] it is right now," the reality star said. "It's just a crazy world so I think I'll stick to my husband now."

Spencer admitted the couple has been "fighting" over the issue of children for "a good six months now," including on their MTV reality show, "The Hills."

But the couple, who are currently promoting their new book, "How To Be Famous," said they are keeping busy with their three puppies.

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And Spencer blamed the dogs' bowel movements for putting Heidi off the idea of having a baby.

"It was definitely the puppy poop, 'cause now I think Heidi in her mind imagines like actually holding a diaper and cleaning the poop, not just like picking it up off the ground," he told Maria.

Heidi said Spencer would have some serious issues if a child came into the world since he already has to fight for her time with the four-footed creatures.

"He would be so jealous. He gets jealous of the puppies. 'Is it puppy [time] always? Like, where's my time,'" Heidi said imitating her mate. "I can't imagine a kid."

While Heidi may have agreed to Spencer's wish not to have a baby right now, the dogs think she is the queen, or at least, their alpha.

"They won't cuddle with me. All of them cuddle up with Heidi," Spencer revealed. "The second she gets up and even walks a little bit, they go like [it's] an emergency fire drill, pop off the bed, run after her. If she closes the door, they're all crying, and I'm like, 'But I'm here puppies. I'll cuddle with you.'"

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MORE ACCESS ON THESE TOPICS: Spencer Pratt - Heidi Montag - TV - Reality TV - Parenthood