Hi Nadia,
I agree with much of what you have said, but I think I reach a different conclusions.
I agree its all about money, and there's a lot of lying going on. Not really all about money, that's an exaggeration, but its very powerful. When I said about regulation by government it was not about right or wrong, only that if its powerful it gets regulated. If it does nothing it doesn't. Its just an observation that I think its mostly true, although I'm sure there's exceptions. For me personally I'd like no regulation. If I want to buy some morphine for example, I'd like to just go and buy it. Its not my fault if other people kill themselves.
As for doctors I generally don't trust them. Unfortunately doctors do know more than I do, so even if I don't trust them I trust myself even less. I'm always double checking everything looking for mistakes, and if they make one I look for another doctor.
I don't want to spend hours or days researching this, so I'm just expressing some thoughts here. I've read lot in the past, but it was some time ago and I can't recall everything properly. You'll want to check everything yourself of course.
Bovine estrogen might be similar to Premarin which is horse estrogen and is a prescribed form of HRT. Its been used by both cis and transwomen for a long time. It works, but it's more dangerous. Its still on sale though, when safer bio-identical human estrogen is available. I'm sure that's all about money.
I believe progesterone is similar. There's a more recent bio-identical form (Microgest is what you want) but the older more dangerous one is still used. I use spiro as an anti-androgen, and its not a progesterone.
I also use an estrogen implant, as many transwomen in Sydney do. The endo here is great, and implants are awesome. I tried a progesterone implant, but it got rejected (came back out). Not sure it helps but my endo inserts a new implant when the blood estrogen level drops below 800 pmol/L. This chart might be useful
http://en.wikipedia.org/wiki/File:Estradiol_during_menstrual_cycle.pngI personally don't like they way people refer to non-human progesterone's and estrogen's as if they were the same as human forms. They are not the same, even if some of the effects are. Premarin is a type of estrogen, but I think its a lot clearer if we said "horse estrogen" vs "human estrogen", and I know which one I want.
There may be a lot of transwomen taking bovine estrogen (but as I said though, I never heard of it before), but it doesn't mean much. Perhaps its good, but people in general do all sorts of stupid things, especially when there's money to be made selling stuff to them. Look at homeopathy or all those fad diets that appear all the time. Plenty of people believe in them, and the people pushing them can be quite convincing.
http://en.wikipedia.org/wiki/HomeopathyI'd guess bovine estrogen either doesn't work, or is dangerous, or both.
Apart from surgical breast augmentation, there's also fat transfer for the butt. There's an awesome post here somewhere about that. You can probably find it by searching. Its within the last year and is about 10 pages long.