I don't know yet, they were very high via Dutch in April (both E and P), but I am retesting in mid August so will let you know then. I defo think I've had a cyclical dip as this month felt dreadful when my period came, all low E symptoms plus the dryness which hasn't actually gone yet and is a bit annoying.
But yes, it is how my peri started. Couldn't eat, couldn't gain weight, was a nervous wreck, had morning nausea a lot, some reflux. Improved when started hrt for first few months but then as you know it sent me over the edge again with high E (not just spikes). I also couldn't tolerate progesterone although, to be fair, I have only tried utrogestan. If I ever needed it again, I'd do Mary G's route of compounded and control the dose. I feel your pain, high E is awful.