USA's Olympic swimmer Michael Phelps has reportedly split up with his girlfriend Taylor Lianna Chandler, who recently revealed that she was born intersex.

The 41-year-old will not go into the reasons why the couple ended their relationship, but she has insisted that it is not because of her revelation that she was born with both male and female genitalia.

Chandler has claimed that Phelps, who is 12 years her junior, pursued her on mobile dating app Tinder before the couple met.

Chandler told The Daily Beast's Aurora Snow: "We talked about the fact that I wasn't looking to get involved with someone unless it was serious.

"I'm not ugly, so its not like men don't approach me, but I wanted something real. And it felt real with him. I've been to his house four times, we talk everyday, and I've slept with him more than once."

Phelps went into rehab in September after getting charged with drink-driving.