Chrissy Teigen has suffered a pregnancy loss days after hospitalization

Chrissy Teigen shared the heartbreaking news Wednesday night that she suffered a pregnancy loss.

The "Cravings" cookbook author, who was pregnant with her third child, previously revealed that she'd been admitted to the hospital due to "excessive bleeding." Prior to that, she'd been on weeks of bed rest.

In an Instagram post, Teigen shared a series of photos of herself and husband, singer John Legend, in the hospital and penned a lengthy caption revealing the gut-wrenching news.

"We are shocked and in the kind of deep pain you only hear about, the kind of pain we’ve never felt before," she began. "We were never able to stop the bleeding and give our baby the fluids he needed, despite bags and bags of blood transfusions. It just wasn’t enough."

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The 34-year-old model, who announced her pregnancy in August, went on to reveal that even though she and Legend typically wait to name their children "until the last possible moment after they're born," they had already started to call "this little guy in my belly" Jack.

"To our Jack - I’m so sorry that the first few moments of your life were met with so many complications, that we couldn’t give you the home you needed to survive," she continued. "We will always love you."

Added Legend, 41, in a tweet: "We love you, Jack."

Miscarriage refers to the loss of a pregnancy before 20 weeks gestation, according to the Centers for Disease Control and Prevention. Teigen previously said she was about halfway through her pregnancy, and according to the American College of Obstetricians and Gynecologists, stillbirth is the term used to describe a loss at 20 weeks gestation or later. The organization reported that stillbirth occurs in approximately 1 in 160 deliveries in the United States.

Teigen also took a moment to thank those who have sent "positive energy, thoughts and prayers," adding, "We feel all of your love and truly appreciate you."

"We are so grateful for the life we have, for our wonderful babies [4-year-old] Luna and [2-year-old] Miles, for all the amazing things we’ve been able to experience. But everyday can’t be full of sunshine," she wrote. "On this darkest of days, we will grieve, we will cry our eyes out. But we will hug and love each other harder and get through it."