Here is a Marie Claire article a student brought to Dr. Amy Rutstein-Riley. It seems in this part of the world, waifs should not apply.
It sounded like summer camp. "You're going on vacation to the desert to meet other girls and eat sweet food," Tijanniya Mint Tijani's mother told her. Tijanniya was excited. "She said that by the time I returned home, I'd be a beautiful woman."