Hi Funfifty - sorry I missed this as haven't caught up with posts on this board.
I presume you have been given the 200 mg Utrogestan vaginal pessaries which are given for fertility? The 200 mg version used to be available for HRT and was withdrawn but it's just a question of packaging and they were exactly the same - small oval creamy coloured fairly soft-shelled capsules.
I have only ever used Utrogestan vaginally - but have only ever been prescribe the one for HRT - firstly the 200 mg but now the 100 mg (you use two of them) as the 200 mg is not available except as above. Some women are prescribed the 200 mg vaginal capsule for HRT by doctors who know it's the same thing, and from what I gather you get an applicator with it which of course you don't with the one for HRT as vaginal use is (absurdly) off licence.
There can be more side effects from oral use than vaginal if this is what you mean because the progesterone goes through the digestive system and has to be metabolised by the liver, and it is the metabolites that can give rise to some of the unpleasant side effects especially, from oral use.
Does this help explain? Let us know how you get on.
Hurdity x