Pregnancy loss


So my period was due on Dec. 30 took a pregnancy test it was faint paint twice then I started bleeding on Jan 3 . Yet still having pregnancy symptoms but now test shows negative even dr urine sample but still pregnancy symptoms boobs even are getting bigger I’m so confused .. trying so hard to get pregnant I have a 2 year old so I know it’s possible.. I really need help & advice all my hopes are gone and my bf wants a baby so bad