Forget Lamaze classes -- Kim Kardashian's fetus is already getting its daily workout ... at the gym.
Kim -- who's roughly 3 months pregnant with Kanye West's baby -- took her barely-visible baby bump out for a cardio sesh this morning in L.A.
From the looks of it ... Kim's taking a page out of Jessica Simpson's maternity wardrobe playbook -- lots and lots of black clothing.
But we'll give her credit for the spandex. Then again ... she's only 12 weeks into this.
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