I understood that, BarbarianMum... but contraception MUST be part of that protection and the words
If a girl of 10 is having sex then surely she is being abused and social services need to get in there and get her the hell out of that situation, not give her an implant?
and your question Isn't it tantermount to accepting that the abuse will take place and just trying to minimise the consequences rather than, you know, protecting the child?
make me uncomfortable, as I'd expect that, in that scenario, all else would be done, either triggered by the need for contraception or as part of the wider needs already identified.