6 weeks 2 days No morning sickness yet

Felicia • Yogi, chihuahua lover, school psychologist. Married 3 years. Pregnant with our 1st.
I'm just a little over 6 weeks and not feeling any nausea/ morning sickness yet. Should I be worried? I do feel slight tenderness in nipples and fatigue. I just hope it's progressing normally. First time pregnancy.