You can also get some bimbo stuff via the treatment. though there's multiple possible outcomes from it so saving beforehand is recommended. Bimbo is by far the most likely option if you are playing a woman unless you're already muscular enough to increase your odds of amazon, with a smaller chance of becoming a cum cow which is very similar to the bimbo but you grow a big 'ol cock. once you're sure you're on the right one (there's a cheat to guarantee it if you want) the tfs are about what you'd expect, bigger breasts, hips, lose some muscle tone, lactation stuff and some minor cow features, typically just horns and a tail I think, which are easy enough to get rid of.
If you'd still prefer not to there's a couple other ways, just ctrl f here:
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for 'Ditz Speech' that's what unlocks all the bimbo dialogue and scenes.