1. Yes, I would definitely be interested in seeing it. While I don't have particular suggestions for additions, reading it over might come up with ideas. And yes, I would play it.One of my groups is a lot more freewheeling, and has used quite a bit of adult and fetish material in play, so this no doubt would be included as well.
2. We have the same interest and you already said you developed the AB/LG, so this does not apply.
3. As above.
4. As above. You might want to look online for a fan-made AD&D supplement called `the complete guide to carnal knowledge'. Inside the magic item sections, they had ever-full baby bottles, magic diapers, and a few other items that might be useful to your project.
On that note, how is the project coming along? Still working on it, or has it gone by the wayside?