18 weeks is it normal?

Stacey • 23, married 💕 miscarried in July at 10w4d 💔 pregnant with rainbow baby due June 2017 👶🏻
I've not felt much movement still at all, or what I know of, ive felt like a tickley feeling about 3 times since 16 weeks but nothing else, is this normal? I'm 18 weeks this is my first baby, I read online that people don't feel kicks until up to 22 weeks but most of them have felt a lot of flutters where as I haven't