Hi ladies

Ive been having a constant low tummy pain for over a month now but all my tests come back normal then yesterday i started bleeding lightly and was send for bloods and a scan and once again everything came back normal.. i dont understand y im always so sore and have been for ovwr a month. Im 17.5 weeks pregnant and im over it. Like where is the blood coming from and y am i so sore all the time i cant even move sum days and nights are horrible. Anyone else had this ?