6 weeks beta results?

Andrea • Momma of 1 👧🏼 March 19- IVF-fresh transfer= miscarriage @8 weeks. July 19- 2nd IVF= 🌈👶🏼 Due 4/2!

What were your numbers at your 6 week beta? Mine went from 160, to 550 to 3500. Does this seem normal?