United Kingdom, March 3 -- Hailey Bieber "magically" got pregnant with her son - despite facing a potentially serious medical condition.

The Rhode founder, 29, has revealed she was diagnosed with a uterine septum before conceiving her now 16-month-old son Jack Blues, whom she shares with husband Justin Bieber, 32.

Speaking on the SHE MD podcast, Hailey recalled how Dr. ThaIs Aliabadi had urged caution before she fell pregnant.

She explained: "I had a septum in my uterus, and Dr. A kept saying, 'Well, we need to look at this and keep an eye on it before you get pregnant because it could potentially be an issue. I might have to give you a small surgery for it. Not sure.' And I was like, 'Okay. Well, I'm not thinking about getting pregnan...