Parental etiquette question?

I think it's kind of rude for her to have not acknowledged that she received the clothes at all...especially if you guys work in the same place everyday. But, who knows...maybe preggo brain kicked in and she just forgot. Regardless, I would probably go to the shower if I had the time, and I would probably buy a small gift, as well. Maybe even just a pack of diapers with a bow on them...lol.