Have been feeling grim, off and on, since last summer. Headaches, nausea, exhaustion main problems - plus periods have become irregular. Sometimes they are every 28 days, sometimes I can go for seven or eight weeks. Have been seeing an obs chap who has done a lot of blood tests over the last six months - sometimes my oestrogen levels were very low and fsh and lh very high, sometimes they were pretty normal. Confused by this, and the fact that I don't seem to have any typical "menopausal" symptoms but lots of other ones, he referred me to an endicronologist for more tests. He also felt I should get a head scan (Cat/MRI?). Anyway, endicronologist didn't feel scan necessary but did more bloods - including tests to rule out auto-immune problems - and concluded, this week, that I have POF and wrote me a prescription for HRT. Nice. I am 37. Obs guy has asked to see me again - going in on Saturday - not sure why, I suppose to go through everything. Thing is, I am really confused as to how something so "final" can be diagnosed when my blood tests seem inconclusive and I feel so rank but in a non-menopausal way (eg: last night had such bad headache and felt so sick that I couldn't face supper and just crashed out on sofa). I am worried that they might be missing something. I am also very confused as to what, if any, our chances are of having another child. Is this really it - have heard that POF can be temporary, but in what instances? Would appreciate any information you lot can provide.