My hcg levels are not doubling. Need some positive stories

Lindsay • Mama of a wonderful 10year old boy💙 Mama of 4 beautiful babies in heaven💔💙 🌈 due December 2020

My hcg level monday(12dpo) was 18 and Wednesday(14dpo) it was 25. My nurse said that as long as it's going up, we are fine. But I know its supposed to double every 48-72hrs. This is our rainbow and I'm so scared we are loosing this one too.