But... it's seemed strange that Khloe was so shocked by the news, when she has in the past admitted to trying and trying and trying so hard to have kids while with Lamar Odom.
Well, turns out Khloe's been lying about that.
In a new sneak peek from the show, Khloe is still in the doctor's office, and revealed that she has only "fake-tried" getting pregnant.
"I was married," she explained. "But I knew the circumstances weren't the healthiest, so I just kept pretending I was trying."
Then, in a confessional, she says that "when I was doing my fertility treatments, like, they were more so for Lamar.
"I had to stop because there was much deeper stuff that was happening in our marriage. I knew, you knew, that it wasn't the right kind of situation to bring a child into, and I think I've done a lot of covering up for him."
"Like, even when it made me look like I was the problem. But I was fine taking on that burden on my shoulders because he had a lot of other, deeper s- to deal with."
This comes only a few days after Lamar's daughter, Destiny Odom spoke out about Khloe and Lamar's "toxic" marriage, which you can read all about here.