Hcg levels

Destiny • Im a 33 year old mom to 2 beautiful kids 16 year old boy & 14 year old girl.....so excited to be expexting another lil blessing with the love of my life!
My levels went from 40,114 to 43,341 is that good anyone know? I'm taking blood test because on Thursday the 21st did ultra sound at 7 wks 6 days and only saw yolk sac no baby 😕.....and won't find out what nurse says till Monday! Any advice appreciated