The activist and daughter of Steve Irwin wrote about her experience with the condition, which affects 10% of women and girls of reproductive age.
The new mom shared an old photo with her dad, who she lovingly called "Grandpa Crocodile."
"I need some time to focus on the happiness that is my family (both human and animal)," she wrote.
Her middles names "are a tribute to my dad and his legacy as the most incredible Wildlife Warrior," Irwin wrote on Instagram.
Terri and Bindi Irwin shared sweet photographs of the late Steve Irwin, also known as "The Crocodile Hunter."
The daughter of "Crocodile Hunter" Steve Irwin is expecting her first child with Chandler Powell in 2021.
Show opening to "Crikey! It's The Irwins: Bindi's Wedding," an Animal Planet special debuting April 18.
“This was a very difficult decision but important to keep everyone safe,” said Bindi Irwin, wildlife conservationist and daughter of the late Steve Irwin.
The 21-year-old honored her late father with an Instagram post of the two of them sharing a laugh, writing: “These memories make me smile."
Robert Irwin is continuing his dad's legacy, and people are sharing the love on his latest Instagram photo.