Travis Barker and Kourtney Kardashian opened up for the first time in his upcoming Hulu documentary about how they suffered a miscarriage before they welcomed son Rocky.

During the premiere of Travis Barker: Love Is Louder Than Fear, which Us Weekly attended at the Tribeca Film Festival on Saturday, June 13, Kardashian, 47, and Barker, 50, reflected on the struggles they faced while trying to expand their family.

The couple revealed that Kardashian was pregnant six months after they started dating in 2021. They were expecting a girl — who they were going to name Tulip — before Kardashian learned at a doctor’s appointment at the three-month mark that their baby no longer had a heartbeat.

“When we lost the baby, we were devastated,” Kardashian said in the documentary, which premieres August 13 on Hulu. “We cried for days.”

Kardashian broke down the pair’s continued efforts to get pregnant, which included five IVF attempts in eight months. They ultimately decided to press pause and that led to them conceiving their son Rocky, now 2.

Kardashian and Barker expanded their family in November 2023 with the arrival of their baby boy. The reality star also shares kids Mason, 16, Penelope, 13, and Reign, 11, with ex Scott Disick. Barker, meanwhile, shares two kids, son Landon, 22, and daughter Alabama, 20, with ex-wife Shanna Moakler. He is also a father figure to Moakler’s daughter Atiana, 27, whom she shares with Oscar De La Hoya.

After their 2022 nuptials, Kardashian and Barker documented their ups and downs while trying to have kids together. The duo originally explored IVF before the side effects proved too challenging.

“I would love a baby more than anything, but I just really believe in what God has in store for us. If that’s a baby, then I believe that it will happen,” Kardashian said on a May 2023 episode of Hulu’s The Kardashians.

The TV personality recalled feeling pressure to freeze her eggs, adding, “The freezing of the eggs isn’t guaranteed. I think that that’s a misunderstanding. People do it thinking it’s a safety net and then it’s not. Most of them didn’t survive the thaw and then none of them made it to an embryo.”

After IVF took a toll on her body, Kardashian chose to take a step back from the process.

“My health is still impacted because it’s hormones. And also mentally, it definitely took a toll. So I think just being happy is most important and being a good parent to my kids,” she noted at the time. “We are just embracing that whatever’s meant to be will be.”

Kardashian subsequently got pregnant but chose not to address it while filming season 4.

Related: Kourtney Kardashian and Travis Barker‘s Son Rocky Thirteen‘s Baby Album

Kourtney Kardashian and Travis Barker have been obsessed with their son, Rocky Thirteen, since the baby boy’s birth on November 1, 2023. Kardashian and Barker were friends and neighbors for nearly a decade before their relationship turned romantic in early 2021. Their romance heated up quickly, and the pair wed in spring 2022, officially merging […]

“The whole season [I was pregnant],” she told cameras on a November 2023 episode. “I am five months pregnant. I have not told most people. I have told my closest friends, my family and my kids. Of course [I know when it happened]. People would always say to us, ‘The second you stop trying, it is just going to happen.’ We stopped doing IVF maybe two months before our [May 2022] wedding. So it took a year for all of those hormones and chemicals to get out of my system. We were not trying whatsoever. I didn’t even check my ovulation anymore.”

Before giving birth to Rocky, Kardashian was rushed to the hospital for emergency surgery. The procedure went smoothly, but Kardashian recalled being affected by the “terrifying” health scare.

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“That experience opened my eyes to a whole new world of pregnancy that I didn’t know about in the past,” she told Vogue in October 2023, one month before Rocky’s arrival. “After, I learned that insurance typically only covers two ultrasounds when you’re pregnant, I had no idea. I’ve always been lucky enough to do more than what insurance covers, and it’s one of those ultrasounds that saved my baby’s life.”

Kardashian concluded: “I’ve finally been able to let go of the fear and worry that everybody else put in us because of this pregnancy. I’m ready to go in, have the baby, and have the experience we’re meant to have.”

Travis Barker: Love Is Louder Than Fear premieres on Hulu August 13.