Feeling baby?

Crystal • Married for 5 months together for 7 years, pregnant with baby 1. Scared to death!
So about a week ago I thot I was feeling baby, it felt like random muscle spasms. It completely stopped after a couple of days and I haven't felt it again. Now I have the flu and I'm freaking out. Do I not feel anything because something has gone wrong? I have an anterior placenta and I'm plus size...so when did others with anterior placenta and that are plus size begin to feel noticeable movement?