Here is a discussion on a similar topic.

Also, in "Domestic Violence in the Middle Ages: An Anthropological Analysis of Sex Specific Trauma in Five Scandinavian Skeletal Assemblages", Anna Kjellstrom connects trends in skeletal studies of societies in which we know rates of domestic abuse with those of five skeletal assemblages from Scandinavia in the Middle Ages. Roughly 1% of women suffered from cranial injuries. This 1% is evidence of domestic abuse.

Source

Kjellstrom, Anna. "Domestic Violence in the Middle Ages: An Anthropological Analysis of Sex Specific Trauma in Five Scandinavian Skeletal Assemblages."