Night time pain post lap

Hi friends. I had a laparoscopy to remove endo and insert an IUD on the 9th. At night I am getting excruciating pain mostly on the right side, it doesn’t feel like regular cramps as it goes down my right leg into my thigh and knee. Almost lasts like 30-60 seconds, goes away for a min or so and comes back. If I’m moving around and being active this doesn’t happen but when I am sedentary it’s in full force. I was on orilissa before so this is my first cycle in 8 months - could that be why?