Gay men tell the doctor that they were bashed at a bar or football match by a group of men. They will never say they were bashed by their gay lover. Please click:
A Same-Sex Domestic Violence Epidemic Is Silent - Maya Shwayder ...
So a lesbian supporting organization like Medecins Sans Frontieres has propaganda and ideological reasons for putting all the blame on men. It is good for business.
Medical organizations find it easy to make false statistics. They can not reveal any more information. Professional confidentiality you know.