Hit in the belly :(

Amberlea
So yesterday afternoon I went out for a quick last-minute grocery run and when I was going back to my car I hit a hole in the parking lot with my cart and crashed belly-first into the handle. It hurt, I cursed loudly, I saw stars... But because I wasn't bleeding or leaking fluid I brushed it off as just bad luck. But ever since, the baby's movements have become a lot weaker up where I got hit, and most of the movements are lower now. I know the baby's really well cushioned in there, but you don't think he/she could be hurt from that blow, do you? My Dr's office is closed for the holiday weekend, so I'm hoping baby is just avoiding the area. Should I be concerned?