Where there is a contradiction or a conflict we have to give consideration to the rights of women based on sex in these specific circumstances. In the letter I named a few — for example women in prisons, shelters from victims of violence.
Notes from Wikiquote
Referring to her communications with the Scottish government on their Gender Recognition Reform (Scotland) Bill, which was blocked by the Westminster government from receiving royal assent under section 35 of the Scotland Act 1998.