I wouldn't use either of the above in a house with a pregnant wife unless you could air it out well..
I use Vermont natural coatings. It is made from whey and has almost zero odor. It is very safe and effective. I did my wood floors with it as well as all my vivs. I have heard from other people that use it on a much larger scale and it is top notch stuff.
Vermont Natural Coatings polywhey products