"When you have a really important meeting with really important people but you also feel like some organs need removal," she captioned the post.
Two days prior, Chrissy said was in the emergency room recently when she wished her friend and hair stylist Jen Atkin a happy birthday on Instagram.
"@jenatkinhair photo dump. sorry for the delay I was in the emergency room I hope that's ok. Happy birthday!!!!!!!!!!," she wrote alongside snaps of the pair.
Although she has yet to reveal more details for the hospital visits, the cookbook author had endometriosis surgery last month. She highlighted the scars from the procedure -- and ones from her breast implant removal last year -- in a February post.
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"Happy Valentine's Day. Love yourself! Bitch has been throuuugh it," she wrote alongside a photo of herself naked in front of a mirror.
The couple opened up about their tragic loss, sharing raw, emotional posts from the hospital at the time.
"We are shocked and in the kind of deep pain you only hear about, the kind of pain we’ve never felt before," wrote Chrissy. "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."
"Jack worked so hard to be a part of our little family, and he will be, forever," she added. "We are so grateful for the life we have, for our wonderful babies Luna and Miles, for all the amazing things we've been able to experience. But everyday can't be full of sunshine. 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."
The pair share daughter Luna, four, and son Miles, two.