Hcg rising but not doubling

Lindsey

At 4 weeks 4 days it was at 600 when I went to the hospital for bleeding. Following Monday it was at 1875 then Wednesday it was at 2465 then that Friday it was 2915. So not doubling but going up. They redone blood test today to check levels again...I’m 6 weeks an 4 days as of today! Went in for a sono and they wouldn’t tell me anything. Dr still doesn’t know what’s going on and can’t give me any answers other than come back in a week.