Hcg is 25... Anyone any info

Robynne • Miscarriage in April 15 at 9 weeks and MC in November 15 at 5 weeks, now expecting our rainbow baby December 2016 🌈🎆
Hey, I've just had results from two days ago and was 25 got a blood test today to check if it's doubled... I worked out I'm 4 weeks and 3 days is this normal? I should wait until I know today's but would love some advice to put my mind at ease