positive hcg low count??? help please!!

So I had my blood test today at my fertility clinic 2 weeks after iui 14dpo and it came back positive but the nurse said it was very low she said that in their clinic when you Bloodwork comes back at 3 they consider it positive and mine is 4.89 so she said I have to redo the Bloodwork in 2 days to see if my number goes up. She said sometimes when it's early on the pregnancy low count does happened but sometimes it's a bad sign.I have mixed emotions And very confused I'm not sure what to think. I posted the pic from 10dpo past the trigger shot and it was negative 2 days later 9/8 faint line showed up and this morning I tested again and the line has been a bit darker. Has anyone gone through with this and had a good pregnancy. I need your uplifting stories.