As Lamar Odom continues to fight for his life, his estranged wife Khloe Kardashian wants to spend every minute of her time beside him.

According to TMZ, the Kardashian family including Kim, Kris, Kourtney and Kylie headed back to Los Angeles after visiting the NBA player following his collapse at a Vegas brothel on Tuesday.

But Khloe stayed behind to attend to the needs of Odom, who is said to be making very little progress.

"We're told Kim has an appointment with a pregnancy specialist who flew to LA just to meet with her. She's had an ongoing condition in which her placenta is growing too deep into her uterus. They all left on a private jet," added TMZ.

The same report also learned that Kendall Jenner will be traveling from London to Vegas to support Khloe while the entire Kardashian clan is expected to visit Lamar again over the weekend.

CNN reported that Odom's family has released a statement asking for prayers for the NBA player, who is still in critical condition.

"Thanks for your outpouring of prayers and support for our dad. We are here with our family and friends. We appreciate everyone respecting our privacy at this time. We ask for your continued prayers," the family's statement further read.

NBC News earlier said that Odom suffered brain damage with him being supported by a ventilator. A medical personnel reportedly said that he had "multiple drugs in his system" when he was admitted at the Sunrise Hospital in Las Vegas.

Meanwhile, CNN reported that Odom also used cocaine over the weekend as per Nye County Sheriff Sharon Wehrly.

"At this point, the case is ongoing," Wehrly added.

The NBA free agent also reportedly took 10 Reload pills, known for its sexual enhancement effects, for three days.

According to an earlier TMZ report, the NBA player took 10 Reload pills, known for its sexual enhancement effects, for three days. The FDA warned that the pill contains sildenafil, the active ingredient in Viagra, which could react when taken with other prescription drugs and "may lower blood pressure to dangerous levels."

A lot of people have expressed their concern on Odom's condition. Los Angeles Lakers coach Byron Scott said the entire team is thinking about Odom since he stayed for seven years.

"One of the first thoughts on my mind when I got here this morning was had anybody heard any differently on what's going on with him. I think throughout the day, we're all thinking about him and we're all wishing him the best. Just praying for him," Scott said in an ESPN report.

Meanwhile, Scott said that the situation is also hard for Lakers star Kobe Bryant, who was close to Odom.

"[He] loves him like a brother. It's just a rough time for Kobe dealing with that. This is probably the first time that he's had a teammate that's going through something like this," the coach added.