Sore muscles?

Layla • ✨I`m 23,Married for✨ 3yrs,miscarriage at 3 months Dec. 2013 & now happily expecting a baby in January!✨
Im 10 weeks today....sore stomach muscles is normal right? It isn't painful or anything just a little uncomfortable at times;especially at night. I can feel my stomach getting bigger so it seems right?