Sac measure 5w4d

Leticia
What do you gals think?? Had blood work done again today and will know results tomorrow 
LMP-4/15, we only had sex ok 5/4 & 5/7-
Digital pregnancy test 5/24 showed 2-3 weeks pregnant
5/24- HCG in at 149
5/26-HCG in at 322
Progesterone came in at 9.0
6/2- HCG in at 1617, progesterone: 19.2
6/2-ultrasound showed sac at around 4 weeks
6/6- HCG in at 3335
6/16-Ultrasound measured 5w4d-only saw the sac