Kardashian was roughly three months pregnant at the time.
This wouldn't be the first time Thompson has been with other women.
Khloe Kardashian and her family have yet to say anything about the Thomson cheating allegations.
Kardashian has already begun to experience early contractions, TMZ reported, noting her mother Kris Jenner flew to OH to be with her Wednesday morning and that other family members will do the same this week. At this point, Khloe's family wants nothing more than to believe that he is a stand-up guy and that this was a setup.
Thompson, 27, was in the city when the Cavaliers played the New York Knicks.
Khloe Kardashian's boyfriend and little one daddy, Tristan Thompson, has been accused of dishonest on her quite a lot of situations, nonetheless the rumored conduct is also par for the course for the National Basketball Association star.
Kardashian has been a big Cavs fan since she and Thompson started dating in 2016, often spotted supporting her boyfriend on the court.
The reality star was previously married to Lamar Odom, who she since has said cheated on her while they were together.
"She's distraught", the source told the news publication.
We're sending our love to you, KoKo. [He] gave her everything, doted on her, told her how lovely she was. Khloe was actively involved with her other sister's pregnancies as well and it's well-documented on their reality TV show that Khloe is a natural at the whole parenting thing; she's an fantastic aunt to all her nieces and nephews.