Help! Please

Alicia

I've been trying to conceive for over 2 years. Is this it?? 3 test top is from 10/4/15 middle 10/3 /10-2.15

Is this a positive? I don't get it¿ it's super light when I went to the ER. They said they can tell me because my blood level is 13. Its to low for a positive and to high for a negative!! My last period was 8/23-No period in September. And they said of I am am less that 3weeks. But how?? Am super confused I don't want to get my hopes up! :(