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Michael Phelp's girlfriend was a boy

Michael Phelps' girlfriend has revealed she was born with male genitalia.

Taylor Lianne Chandler, who started dating the Olympic swimmer in August after they met through the dating app Tinder, announced on her Facebook page that she was an intersex baby and named David Roy Fitch by her parents.

She wrote: "I was born intersex and named David Roy Fitch at birth. By the time I could walk and talk I made it clear I was a girl and dressed as one. In my early teens I was medically diagnosed and went on testosterone blockers, at 15 estrogen enhancers. My birth certificate was modified along with my name while I was a teenager, prior to any corrective surgery."

But she added: "I was never a man, never lived as a man. No one can say they knew me as a man or produce a photo of me as a man.

"There are people that remember me as an androgynous child at times because of what was forced upon me."

The 41-year-old blonde beauty, who claims to have dated a number of other celebrities, eventually underwent corrective surgery to get rid of her male genitalia.

She also told gossip website RadarOnline.com: "I was born with male genitalia with no testicles, but I also have a uterus and no ovaries."

Taylor claims she fell in love with Michael, 29, who checked into rehab in September after being arrested for DUI [Driving Under the Influence], but only told him about her past recently and is now worried she will lose him.

She wrote: "I am probably going to lose him because he is a brand that his team wants to protect and things since he went to rehab came to my attention that didn't put him or our relationship in the best light. He is the first man I ever had intimacy with and felt comfortable and all woman."