Hailey Bieber said it herself! After being admitted to the hospital, Hailey Bieber (née Baldwin) comes up about her ordeal. She explains the cause of her surgery. Following a “mini-stroke” remaining month, Hailey Bieber underwent heart surgical treatment. The 25-year-old supermodel stated that she had undergone a PFO. To explain the patent foramen ovale (PFO)…