What are signs my baby is ok :D♡¿¿

Marii • mommy of 2 BOYS a 3yr and a 1yr old💚💙💙💙💚💚
What are signs without an ultrasound that my baby is doing perfect I just wanna know like oh I have this my baby is fine or you know Idk I'm 9 weeks I went in got my first ultrasound on the 27th (mon) and she said my baby was perfect hr was 171 everything was good when should I worry of something is wrong just throw me some good signs and bad ones I need to look out for please and Thank you♡♡♡