I'll be 19 weeks tomorrow and haven't felt much. This is my first pregnancy and I'm not anticipating feeling anything consistent for a couple more weeks. I've felt flutters here and there but nothing really noticeable. I have my A/S tomorrow so it'll be great to finally see our LO.
Remember everyone is different. Some people start feeling things at 16 weeks and others at 22-24 weeks. It totally depends on your body.