"At the beginning, the first trimester is the worst and no one knows you're pregnant yet and you feel the most uncomfortable", Kardashian admitted.
Khloe, 33, revealed during an appearance on Jimmy Kimmel " s chat show on Thursday evening that initially it was only her, partner Tristan Thompson and her "trusty assistant' Alexa who were aware of the pregnancy.
Ellen asks if Khloe has any baby names in mind, which she then freely answers.
Looking coy Khloe said: "What do you mean?" "I still exercise to maintain my sanity and also to feel good about myself, but my workouts are not as intense as they once were", Khloe said on her app. "I kind of assume it's just known...he has to be there!" she exclaimed.
The trend continued in September when rumors surfaced that 20-year-old Kylie Jenner, who recently usurped Kim Kardashian West as the most frequently Googled member of the family, was "surprised but so happy" to be expecting with her boyfriend, rapper Travis Scott.
Watch the full video below. "Making sure that I am perfectly healthy even for after baby is really important".
"[He's] such a good dad", she said. "I think I have to talk to Tristan about this".
The Reality TV star's pregnancy became news months back and with it, came a couple of paparazzi shots showing her hiding her bump.. "You think of a million things you have to do and just finish, and you're like, 'Guess what, a baby is coming no matter what, so we got to get it done'".
The reality star has confessed that she didn't tell her family straight away and actually informed the crew of their reality show WEEKS before her relatives knew. "I don't know when I'm having the baby yet".
"She must be pregnant". See pics of Khloe's pregnancy, here.