Symptoms

I am 8 weeks and 4 days, I had my ultrasound at 6 weeks and 6 days and babies heart was 134 beats per a minute and doing well. But I can't help and think negatively that my lack of symptoms is a bad thing. I only experienced morning sickness for 2 weeks from 4 to 6 weeks and now feel normal. No more heart burn or gassy. Does anyone else have zero obvious pregnancy symptoms at almost 9 weeks?