"...one of the pregnant ones dashes over to me and blurts out "I am so excited! I have decided to do a home birth!!" And she starts giving me all the details....now, how does one respond to that?!? I basically pretended to listen to her while I mentally made some 2 do lists."
I get highly irritated when people expect me to either be interested in their kids or their birthing/feeding/care issues. I rarely fake interest in anything, and kids/birthing is no exception. But in that case, I would have asked questions with a really twisted look on my face, because to me, a natural birth really is quite freakish and irresponsible, with all the decent heathcare/hospitals we have as an advanced species.
I most likely would have blurted out, "Oh my God, are you
serious?" for starters. After asking some questions about problems that could arise, I would probably move to the next thing I could use to relate to her and told her about the bush-woman natural birth video that Ingilbert posted...how the woman looked, all the blood, and that the only thing I could think of while watching it is questioning how a husband ever looks at his wife sexually again after witnessing something like that. BLECCH! She might be more careful in surfacing her personal issues after I added my two cents.
This may sound rude to some people, but I really do get irritated at women who think I'm just supposed to get giddy when they drop a bombshell like that.