Thanks Hurdity,
I have had four merina coils fitted in the past 10 year period which was for heavy bleeding problems so I know how they work and saw a specialist to have indepth scan on my endometriosis problem which I do have outside the womb, the coil helped to a degree but as but don't fancy having another since I had the last one removed nearly three years ago and never particularly liked having progesterone going through my system all those years but needed to because of the bleeding probs, quite honestly glad to see the back of them and was so pleased periods stopped for me they were such a problem. Think taking all in consideration and having now had several attempts at various HRT I think its probably not for me and will have a go at managing without as long as I can! I will keep you posted and return to this site and I find it very helpful. Hurdity have you just learnt what you know from research ?