What's the reason behind rising number of female suicide bombers?

Thirty-year-old Shari Baloch alias Bramsh hailed from the Turbat Region of Baluchistan and had a well-to-do family.

What's the reason behind rising number of female suicide bombers?
Thirty-year-old Shari Baloch alias Bramsh hailed from the Turbat Region of Baluchistan and had a well-to-do family.