sad probably miscarriage

I found out i was pregnant 2 weeks ago i was so happy but yesterday morning i started bleeding went to the ER. Im probably having a miscarriage i am si heart broke ni have to go back in two days and have to do another blood test  to see if a number i think Its called a hgnc something like that Is getting higher or lower if Its lower im having a miscarriage if it gets higher My pregnancy Is ok My number was 17 wiich was Pretty low.  😰😢 i am so sad, i am praying the Numbers go up . I had a miscarriage last year and Now again😢