Ugghhhhhh 😭

Shay
Last year in May i gave birth to a baby girl. A one pound 4.5 ounce baby girl born at 24 weeks. My SO and i decided once she came home from the NICU (four months later) that we were going to try for our next babe to keep our children close in age. Well... we've been trying for almost 9 months now with absolutely no luck at all. 
We were pregnant the first month we ttc with my daughter.
I've been to the doctor 3 times now for positive pregnancy tests that end in my period starting...
I know there are people who have tried longer and harder for babies than i have but i'm starting to lose hope... 
I'm so nervous that my body cannot handle a pregnancy since it didn't handle my daughter very well... 
Anyone have any advice for me? Or stories about how they tried to conceive and eventually did!