Between 100 million and 140 million women and girls are thought to be living with the consequences of female genital mutilation, according to the World Health Organisation.
Mae Sefydliad Iechyd y Byd yn credu bod rhwng 100 miliwn a 140 miliwn o ferched a menywod yn byw gyda goblygiadau anffurfio organau cenhedlu benywod.