Harnaam Kaur, of Slough, Berkshire, has polycystic ovary syndrome, which can cause excessive hair growth.
She was just 11 years old when a beard started to appear on her face and the hair quickly spread to her chest and arms.
The condition made her the victim of cruel taunts at school and on the street. She even received death threats from strangers over the internet, 'The Mirror' reported.
"I would never ever go back now and remove my facial hair because it's the way God made me and I'm happy with the way I am," she said.
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However, it took Kaur some time to embrace her condition. In her early teens, she was so ashamed of her beard that she resorted to waxing twice a week. She also tried bleaching and shaving.
At her lowest points she began self-harming and she even considered taking her own life.
"I got bullied badly - at school I was called a 'beardo' and things like 'shemale' and 'sheman'," Kaur said.
But now, Kaur said she feels more feminine than ever and chooses girly tops over baggy, high-necked jumpers.
"I wear skirts, dresses and jewellery and I like to get my nails done like every other girl," she said.