Low placenta and movement

hterry85

With DD I felt movement for the first time at 15 weeks, and was feeling it consistently by 17 weeks. This time I will be 17 weeks tomorrow and haven't felt a thing! There has been lots of rumblings in there, but I don't think any of it has been baby. I know I was told at 13 weeks the placenta was low, could this be what's preventing me from feeling anything? I know feeling something at 15 weeks with my first doesn't equal 15 weeks with my second, but it's still making me a bit nervous (I had a missed m/c with my very first pregnancy) Anyone feel movement later the second time around?