DD is nearly 4. She told me earlier that a boy at nursery had hurt her mini today. I asked what happened and she said he hit her mini and then took his trousers off and hurt his willy. I asked if she told the teacher and she said yes and the teacher made the boy go to the dr all by himself 
I'm going to admit to not knowing what to say at all at this point. She carried on playing and seems fine. It's such a strange thing to come out with. I didn't want to ask too many questions as I didn't want to put ideas in to her head.
Is this something I should be concerned about? I'm planning on speaking to her teacher just to see if she has any idea of what may have happened.