Chrissy Teigen, who opened up about her devastating pregnancy loss in September, credited the heartbreak for inspiring her to take her health seriously.

Appearing Monday on "The Ellen DeGeneres Show," Teigen didn't shy away from describing what kind of impact the tragedy had on her life, saying she is still "coming to terms with it in a way."

"I go through my closet and I see ... I have maternity clothes, things that I bought for my eighth month and my ninth month," she explained. "So it's just hard because he would've been born this week, and so you look at those things and you have these constant reminders of him."

"But being Thai and being raised in a house that was very open about loss," Teigen added, "I think it was really helpful because I see it as it can be a beautiful thing."

The "Lip Sync Battle" host then explained how the heartbreak has been a "really transformative" experience.

Admitting that she is in therapy to cope with the loss, the model revealed, "In a way, he really saved me, because I don't think that I would've discovered therapy and then sobriety and then this path of kind of just really feeling good about myself and feeling like a new person."

"What you learn through it about yourself is such a wild, incredible thing," she added.

Teigen added that her children -- 2-year-old son Miles and 4-year-old daughter Luna, both of whom she shares with husband John Legend -- continue to honor their little brother, Jack, which has also helped the family go through the grieving process.

"It's been so beautiful to see my kids, the way they talk about him too. They're so open and sweet. When we go to the beach or something they'll say, 'Is baby Jack with us right now? Do you think he's up in the clouds,'" she revealed. "It's just so beautiful and so sweet."

Teigen also explained why she's been so open about losing her pregnancy, saying, "You really don't know the meaning of the word 'unimaginable' until something like that happens to you."