If you don't mind going the private route, and if you're close to AMK area, I would recommend my gynae Dr Jen Shek Wei. He's a really skilled gynae and surgeon, he was the one who removed my uterine fibroids a while back. You should check him out.
Is your husband an only child? I don't think it is healthy for you to stay in such a situation if you will always get stressed and anxious just by living with your ILs. Yes, they are still your parents and you do have to honor and respect them, but as a married couple with children, you are...