Plan found that once they arrived in a refugee shelter, girls were confined to tiny huts measuring just a few square feet, where temperatures soar close to 40° Celsius (104˚ Fahrenheit) each day, unable to go out because of restrictions placed on them by their families and for fear of violence.
"There is no doubt that adolescent Rohingya girls are one of the greatest victims in this humanitarian crisis," said Orla Murphy, Plan International's country director in Bangladesh in a press release. "The cramped and overcrowded conditions -- not only in the camps, but also inside the tiny tents they now call home -- are having a devastating impact on their lives.
Plan International wants the aid agencies and governments helping the refugees to "urgently address the needs of safety, education, sanitation, food security and healthcare -- including mental health services -- that Rohingya girls currently lack and have themselves spoken strongly about in the research report."
The organization also called for a greater understanding of the cultural dynamics that affect girls.
Only 28% percent of respondents attended school, while 22% of the girls aged 15 to 19 were already married, and 70% of them already had one child.
Being forced to flee their homes and live among people they did not know before heightened the sense of security concerns and led to even greater restrictions of movement, especially for the older girls.
The report found that girls of all ages were keen to go to school. It said the factors limiting access include "few female teachers, language issues, security concerns, care responsibilities and household duties, negative attitudes towards girls' education and, in particular, limited freedom of movement."
Most of the girls interviewed said they still didn't have enough to eat.