AF has been all over the place since I m/c, end of April (bled for 10 days when I m/c)

AF arrived after that, and stuck around for 11 days

Now she's back again. Four days early. Is this normal? But then, what's normal right?

My normal cycle is 28 days, and she visits for 7-8 days. Last time I m/c, I had a D&C and everything went back to normal straight away. This time I let things happen naturally, and it seems that each month that passes comes a new surprise.

Hope someone can give me some advice.