The 34-year-old star and her husband Kanye West - who have 20-month-old daughter North - are desperately trying for a second baby, but the stunner's over-the-top detail about their attempts has not gone down too well with her sister Khloe Kardashian.
In a trailer for the new Keeping Up with the Kardashians series, Kim is seen lying down on a sofa looking exhausted before saying: "I've been having sex 500 times a day."
The camera then pans to Khloe who lets out a disgusted "ohhh" shriek.
The trailer also features Khloe being asked about her ex-boyfriend French Montana, who she was spotted holidaying with in Florida earlier this week.
In response to a question about what happened with French, she says: "I kicked him out the house."
Bruce Jenner - who is believed to be in the process of transitioning into a woman - is also seen in the footage speaking to ex-wife Kris Jenner about how he feels their family is divided.
He says: "Sometimes I feel so separated ... the Kardashians over here, the Jenners over here."
The former couple - who have kids Kendall, 19, Kylie, 17, together and Kris has children, Kourtney, 35, Kim, Khloe 30, and Rob, 27, from her marriage to the late Robert Kardashian - are yet to finalise their divorce.
But Kim and Kanye are anything but divided at the moment and are clearly very keen to have another kid as the pair have mentioned it on several occasions in recent interviews.
Last month, she said: "Oh, I'm practicing really hard. I try as many times a day I can. Nori, this one is for you. You need a sibling."
In January, she said: "We've really been trying for another kid. More kids can't come soon enough! ... I'm praying about it. I am not pregnant right now, not that I know of, but no, I'm not. I wish I was. I'm about 15 pounds heavier, but I'm not [pregnant]."
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