EmmaHG - Where do you live most of the time? Are you registered with a UK GP?
Here in the UK most of the oestrogen's available these days on prescription are bio identical. Bio identical progesterone is also becoming a popular type of progesterone in most of Europe. There are many types of progesterone available because we all respond differently to the various types - bio identical progesterone doesn't suit every women - I found it very problematic. It is thought that bio identical progesterone is slightly safer but it can bring more side effects than other synthetic progesterones - it is trial and error. You say you had a synthetic progesterone for 2 years - did you feel OK on this?
A UK GP is unlikely to prescribe HRT without investigations. If you are only here for a week then you could make a private appointment with a UK gynae who specialises in the meno for better advice .
The idea of being 'oestrogen dominant' tends to come from the 'alternative therapy' world and is a simple way of describing what tends to happen in the peri meno phase when ovulation is sporadic. Some women, like yourself, do get hormonal problems from a young age and this is usually treated with regular hormonal treatment.
Not sure whether one gets periods without ovulation though?
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Maybe your lining builds up and spontaneously sheds - either way, things can be controlled and regulated with proper hormonal treatment. Hurdity would understand this better as she is a biologist.
I agree with Hurdity - she is very knowledgable about bio identicals. The treatment you have been offered sounds very unusual and I suspect is what is often termed as ‘compounded' bio identical hormones. Here in the UK many are very sceptical about this type of HRT treatment as it is not regulated, so could potentially have more risks. Having said this, you say you are seeing a qualified gynaecologist and I assume you will be regularly monitored and scanned?
If I were you I would be seeking another opinion - see a gynae to reassess your hormonal needs - blood tests etc done to fully assess the situation and probably a more standard HRT regime put in place to prevent oestrogen deficiency. The headaches etc could well be due to oestrogen deficiency. Oestrogel or oestrogen patches with Utrogestan(Prometrium) alongside would be a good HRT regime to try.
Please don't rub anything hormonal on your breasts
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Do read up all the info on this site - look under TREATMENTS at the top of this page to get clued up about all the HRT options available and seek advice from another gynae before doing anything. DG x