A survey with young people aged 13-17, across England, Scotland and Wales, showed that 21% of young people said they had been physically abused by their partners.
Mewn arolwg o bobl ifanc 13-17 oed yng Nghymru, Lloegr a’r Alban, dywedodd 21% o bobl ifanc eu bod nhw wedi cael eu cam-drin yn gorfforol gan eu partneriaid.