From what I'm guessing, It was a reply to her bit about "offering your seat on the train". So she replies with a question based on the standard "I can't give you my seat" excuse on trains, that being pregnant.
Yes it's weird, but hey, the manga even says it was in the next panel.
What the heck? that really is weird. haha. But anyway, thanks alot for explaining it ^^,. It makes sense to me now.
last edited at Jan 28, 2014 11:50PM