Women need 25 grams of fiber per day, and men need 38 grams per day, according to the Institute of Medicine.
congressional district - a territorial division of a state; entitled to elect one member to the United States House of Representatives. district, territorial dominion, territory, dominion - a region marked off for administrative or other purposes.
The area represented by a member of the House of Representatives is  called a congressional district. Congressional districts are based  on population.