Has anyone ever had a delayed response to a miscarriage?

I had a miscarriage at about 6weeks in March of this year. I was not in the best mental health back then. I’m in a better place and now it’s started to pop up on my mind after not thinking about it. It’s definitely been on my mind constantly for days and I feel bad because it didn’t bother me then. And I haven’t told anyone about it. But I feel like because it was a while ago I don’t have a right to feel anything about it. Anyone experience anything like this?