In general, if a cyst grows big enough, it can interfere with the ovary's blood supply, cause the ovary to twist (known as ovarian torsion), or even rupture …all of which can cause pain, bleeding, and the other symptoms Bieber describes.

Hailey Bieber is opening up about her health. The 28-year-old took to Instagram to share a health update with her 54 million followers which comes less than a year after giving birth to her and husband Justin Bieber's son Jack Blues Bieber.

Hailey Bieber has opened up about her health. “Currently have two ovarian cysts,” she shared on her on Instagram Stories Monday. “If you deal with ovarian cysts I’m right there with ya!” According to the Mayo Clinic, “Ovarian cysts are sacs, usually filled with fluid, in an ovary or on its surface.”