SIS procedure

I had a miscarriage June 2nd and my doctor thought it may have been due to the shape of my uterus. So I had a SIS procedure done last Thursday to look at the entire shape of my uterus to make sure there was no tissue in the middle and it was completely normal which is great news! But ever since my procedure I’ve been bleeding/clotting a lot. My nurse told me I would only experience cramps after my procedure. I have messaged my doctor and am waiting for a response more than likely won’t get until tomorrow morning. I was just wondering if anyone else has been through this and had similar symptoms after?