Thanks Barb, I may just do that.
The pumps I'm using aren't well known brands. Manual is avent and electric is First years (borrowed).
My supply appears to be on the increase though, pumped 150ml this morning!
But she was still straining in her sleep, crunching up herself, and yesterday she didn't want breast, required massaging to calm her, so I'm still not sure if its a hunger issue.