Sex change - a change in a person's physical sexual characteristics, typically by surgery and hormone treatment - has really caught on in Nigeria.
Here are four Nigerian men who have undergone sex change surgery and have transformed into women:
1. Miss Sahhara
The 28-year-old was born a man and lived in Abuja for several years before moving to the UK where she now lives as a woman.
2. Stephanie Rose
She was born Dapo Adaralegbe and was educated at the Obafemi Awolowo University in Nigeria. Dapo said he was expelled from school over his identity crisis and so travelled to Europe for sex change.
3. Noni Salma Lawal
She used to be known as Habeeb Babatunde Lawal, an entertainment journalist. She graduated from the University of Lagos with a Bachelor of Arts degree in Theatre Arts. She underwent a sex change in the UK.
4. Mandy la Candy
Formerly known as Mr Okwudili, she is said to have undergone a sex change in Canada.
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